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Terfyn 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Terfyn

Gwynedd, United Kingdom

Long range weather outlook for Terfyn includes 14 day forecast summary:

The forecast for Terfyn in the coming two weeks is predicting the average daytime maximum temperature will be around 12°C, with a high for the two weeks of 17°C expected on the evening of Sunday 19th. The average minimum temperature will be 8°C, dipping to its lowest on the morning of Thursday 23rd at 4°C. The fortnight ahead will have most days seeing a little rain. The indicators are that Wednesday 22nd will have the most precipitation with an accumulation of around 20.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sun 19
May
18:00

NE
NE

6 / 10 mph 63 / 61°F 75% 1016 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 6%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

4 / 7 mph 60 / 58°F 86% 1017 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May
00:00

ESE
ESE

4 / 8 mph 54 / 54°F 86% 1016 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 1%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ESE
ESE

3 / 7 mph 53 / 53°F 86% 1016 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 9%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ESE
ESE

2 / 3 mph 57 / 55°F 82% 1016 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 18%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

3 / 6 mph 54 / 52°F 76% 1016 mb
Low level cloud: 1%
Mid level cloud: 52%
High level cloud: 79%
Most Significant Cloud Type: medium
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

4 / 8 mph 54 / 52°F 72% 1015 mb
Low level cloud: 32%
Mid level cloud: 68%
High level cloud: 100%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

4 / 7 mph 55 / 53°F 73% 1014 mb
Low level cloud: 21%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ENE
ENE

4 / 7 mph 57 / 55°F 84% 1013 mb
Low level cloud: 13%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ESE
ESE

3 / 6 mph 56 / 55°F 89% 1013 mb
Low level cloud: 27%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May
00:00

ESE
ESE

3 / 6 mph 54 / 54°F 88% 1012 mb
Low level cloud: 18%
Mid level cloud: 45%
High level cloud: 18%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ESE
ESE

2 / 4 mph 54 / 55°F 88% 1011 mb
Low level cloud: 20%
Mid level cloud: 45%
High level cloud: 56%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

2 / 4 mph 51 / 50°F 88% 1011 mb
Low level cloud: 16%
Mid level cloud: 29%
High level cloud: 9%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NW
NW

1 / 2 mph 53 / 51°F 78% 1010 mb
Low level cloud: 4%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: medium
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NW
NW

3 / 6 mph 54 / 51°F 76% 1010 mb
Low level cloud: 4%
Mid level cloud: 45%
High level cloud: 22%
Most Significant Cloud Type: medium
56%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
15:00

NNW
NNW

4 / 8 mph 51 / 50°F 80% 1009 mb
Low level cloud: 15%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
89%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

N
N

3 / 6 mph 54 / 52°F 82% 1009 mb
Low level cloud: 1%
Mid level cloud: 56%
High level cloud: 100%
Most Significant Cloud Type: medium
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

1 / 1 mph 53 / 53°F 84% 1009 mb
Low level cloud: 0%
Mid level cloud: 99%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May
00:00

W
W

2 / 2 mph 53 / 53°F 86% 1009 mb
Low level cloud: 6%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

4 / 8 mph 46 / 45°F 90% 1008 mb
Low level cloud: 14%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
06:00

WSW
WSW

6 / 14 mph 42 / 37°F 95% 1009 mb
Low level cloud: 45%
Mid level cloud: 100%
High level cloud: 91%
Most Significant Cloud Type: low
91%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
09:00

W
W

7 / 14 mph 42 / 38°F 98% 1009 mb
Low level cloud: 97%
Mid level cloud: 88%
High level cloud: 96%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
12:00

W
W

10 / 22 mph 43 / 38°F 97% 1010 mb
Low level cloud: 98%
Mid level cloud: 69%
High level cloud: 47%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
15:00

WNW
WNW

11 / 24 mph 44 / 38°F 97% 1010 mb
Low level cloud: 97%
Mid level cloud: 75%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

NW
NW

10 / 21 mph 43 / 37°F 96% 1012 mb
Low level cloud: 93%
Mid level cloud: 81%
High level cloud: 13%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

WNW
WNW

10 / 21 mph 45 / 39°F 91% 1014 mb
Low level cloud: 82%
Mid level cloud: 25%
High level cloud: 19%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
May
00:00

WNW
WNW

11 / 23 mph 41 / 34°F 93% 1014 mb
Low level cloud: 98%
Mid level cloud: 19%
High level cloud: 18%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

11 / 23 mph 40 / 33°F 92% 1015 mb
Low level cloud: 100%
Mid level cloud: 53%
High level cloud: 10%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

9 / 20 mph 39 / 33°F 95% 1016 mb
Low level cloud: 97%
Mid level cloud: 60%
High level cloud: 16%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

8 / 17 mph 41 / 35°F 94% 1017 mb
Low level cloud: 91%
Mid level cloud: 44%
High level cloud: 12%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

8 / 15 mph 43 / 38°F 92% 1017 mb
Low level cloud: 95%
Mid level cloud: 45%
High level cloud: 8%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

6 / 11 mph 44 / 40°F 92% 1018 mb
Low level cloud: 91%
Mid level cloud: 69%
High level cloud: 1%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

3 / 7 mph 43 / 41°F 90% 1018 mb
Low level cloud: 94%
Mid level cloud: 54%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

3 / 6 mph 42 / 40°F 91% 1019 mb
Low level cloud: 86%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 24
May
00:00

SW
SW

4 / 8 mph 43 / 41°F 92% 1019 mb
Low level cloud: 94%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

4 / 8 mph 43 / 41°F 92% 1019 mb
Low level cloud: 75%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

5 / 11 mph 42 / 38°F 90% 1019 mb
Low level cloud: 63%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

6 / 13 mph 45 / 40°F 77% 1019 mb
Low level cloud: 45%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

8 / 17 mph 47 / 42°F 68% 1019 mb
Low level cloud: 58%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

8 / 16 mph 48 / 43°F 64% 1019 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSW
SSW

6 / 12 mph 46 / 43°F 74% 1019 mb
Low level cloud: 2%
Mid level cloud: 56%
High level cloud: 33%
Most Significant Cloud Type: medium
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSE
SSE

4 / 8 mph 48 / 45°F 87% 1019 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 25
May
00:00

SSE
SSE

4 / 8 mph 46 / 45°F 85% 1018 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SE
SE

4 / 8 mph 48 / 46°F 77% 1017 mb
Low level cloud: 1%
Mid level cloud: 43%
High level cloud: 37%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

4 / 8 mph 49 / 47°F 82% 1016 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 79%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ESE
ESE

5 / 11 mph 49 / 45°F 72% 1014 mb
Low level cloud: 0%
Mid level cloud: 67%
High level cloud: 91%
Most Significant Cloud Type: medium
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SE
SE

11 / 22 mph 53 / 48°F 72% 1013 mb
Low level cloud: 2%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSE
SSE

14 / 29 mph 54 / 50°F 74% 1011 mb
Low level cloud: 0%
Mid level cloud: 74%
High level cloud: 99%
Most Significant Cloud Type: medium
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSE
SSE

9 / 18 mph 51 / 48°F 88% 1010 mb
Low level cloud: 91%
Mid level cloud: 68%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SE
SE

10 / 15 mph 55 / 52°F 92% 1009 mb
Low level cloud: 85%
Mid level cloud: 74%
High level cloud: 96%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sun 26
May
00:00

ESE
ESE

5 / 10 mph 53 / 52°F 88% 1013 mb
Low level cloud: 93%
Mid level cloud: 80%
High level cloud: 19%
Most Significant Cloud Type: low
100%
0.0 In
06:00

SSE
SSE

5 / 11 mph 47 / 44°F 90% 1017 mb
Low level cloud: 91%
Mid level cloud: 65%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
12:00

SSW
SSW

7 / 16 mph 47 / 44°F 81% 1006 mb
Low level cloud: 59%
Mid level cloud: 10%
High level cloud: 97%
Most Significant Cloud Type: low
74%
0.0 In
18:00

E
E

6 / 10 mph 59 / 58°F 92% 1012 mb
Low level cloud: 25%
Mid level cloud: 81%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
Mon 27
May
00:00

SSW
SSW

9 / 19 mph 47 / 43°F 97% 1014 mb
Low level cloud: 66%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
71%
0.0 In
06:00

ENE
ENE

7 / 15 mph 49 / 46°F 90% 1021 mb
Low level cloud: 17%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
26%
0.0 In
12:00

ENE
ENE

6 / 13 mph 50 / 47°F 83% 1019 mb
Low level cloud: 70%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
79%
0.0 In
18:00

WNW
WNW

4 / 9 mph 48 / 47°F 80% 1018 mb
Low level cloud: 31%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
37%
0.0 In
Tue 28
May
00:00

NE
NE

2 / 4 mph 57 / 59°F 89% 1008 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 3%
Most Significant Cloud Type: medium
17%
0.0 In
06:00

NW
NW

2 / 4 mph 44 / 44°F 87% 1019 mb
Low level cloud: 5%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
58%
0.0 In
12:00

W
W

4 / 9 mph 56 / 56°F 80% 1009 mb
Low level cloud: 41%
Mid level cloud: 20%
High level cloud: 3%
Most Significant Cloud Type: low
48%
0.1 In
18:00

NNE
NNE

4 / 9 mph 51 / 49°F 85% 1018 mb
Low level cloud: 5%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
0.1 In
Wed 29
May
00:00

S
S

3 / 6 mph 55 / 56°F 93% 1010 mb
Low level cloud: 14%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
16%
0.1 In
06:00

E
E

4 / 7 mph 56 / 56°F 86% 1017 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 4%
Most Significant Cloud Type: medium
9%
0.0 In
12:00

W
W

2 / 4 mph 56 / 56°F 71% 1010 mb
Low level cloud: 2%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
0.0 In
18:00

E
E

4 / 9 mph 58 / 58°F 88% 1014 mb
Low level cloud: 76%
Mid level cloud: 50%
High level cloud: 2%
Most Significant Cloud Type: low
93%
0.0 In
Thu 30
May
00:00

S
S

3 / 7 mph 55 / 55°F 94% 1014 mb
Low level cloud: 12%
Mid level cloud: 6%
High level cloud: 47%
Most Significant Cloud Type: low
20%
0.0 In
06:00

E
E

4 / 9 mph 52 / 51°F 89% 1014 mb
Low level cloud: 37%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: low
56%
0.0 In
12:00

SSW
SSW

6 / 14 mph 52 / 50°F 78% 1017 mb
Low level cloud: 28%
Mid level cloud: 26%
High level cloud: 32%
Most Significant Cloud Type: low
40%
0.0 In
18:00

E
E

8 / 17 mph 57 / 55°F 89% 1010 mb
Low level cloud: 24%
Mid level cloud: 31%
High level cloud: 86%
Most Significant Cloud Type: low
44%
0.1 In
Fri 31
May
00:00

S
S

4 / 8 mph 50 / 50°F 95% 1018 mb
Low level cloud: 32%
Mid level cloud: 90%
High level cloud: 37%
Most Significant Cloud Type: low
68%
0.0 In
06:00

ENE
ENE

7 / 15 mph 51 / 48°F 95% 1009 mb
Low level cloud: 50%
Mid level cloud: 10%
High level cloud: 33%
Most Significant Cloud Type: low
57%
0.0 In
12:00

S
S

10 / 22 mph 49 / 45°F 93% 1016 mb
Low level cloud: 89%
Mid level cloud: 68%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.5 In
18:00

SSW
SSW

4 / 9 mph 47 / 45°F 99% 1009 mb
Low level cloud: 91%
Mid level cloud: 79%
High level cloud: 98%
Most Significant Cloud Type: low
100%
1.0 In
Sat 01
Jun
00:00

S
S

8 / 17 mph 56 / 54°F 87% 1014 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 3%
Most Significant Cloud Type: medium
8%
0.0 In
06:00

WSW
WSW

3 / 6 mph 48 / 47°F 95% 1010 mb
Low level cloud: 85%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
12:00

SSW
SSW

14 / 29 mph 57 / 54°F 72% 1011 mb
Low level cloud: 10%
Mid level cloud: 29%
High level cloud: 50%
Most Significant Cloud Type: medium
57%
0.0 In
18:00

NW
NW

2 / 5 mph 54 / 55°F 80% 1010 mb
Low level cloud: 24%
Mid level cloud: 20%
High level cloud: 15%
Most Significant Cloud Type: low
32%
0.0 In
Sun 02
Jun
00:00

SSW
SSW

12 / 26 mph 44 / 38°F 92% 1011 mb
Low level cloud: 67%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: low
80%
0.0 In
06:00

ENE
ENE

4 / 9 mph 49 / 48°F 98% 1009 mb
Low level cloud: 89%
Mid level cloud: 82%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
12:00

SW
SW

19 / 40 mph 48 / 42°F 82% 1011 mb
Low level cloud: 56%
Mid level cloud: 7%
High level cloud: 5%
Most Significant Cloud Type: low
58%
0.1 In
18:00

SSW
SSW

4 / 9 mph 53 / 51°F 85% 1009 mb
Low level cloud: 31%
Mid level cloud: 14%
High level cloud: 3%
Most Significant Cloud Type: low
36%
0.4 In
Mon 03
Jun
00:00

SSW
SSW

16 / 34 mph 44 / 37°F 93% 1009 mb
Low level cloud: 93%
Mid level cloud: 19%
High level cloud: 19%
Most Significant Cloud Type: low
100%
0.1 In
06:00

SSW
SSW

3 / 6 mph 46 / 46°F 93% 1009 mb
Low level cloud: 44%
Mid level cloud: 91%
High level cloud: 65%
Most Significant Cloud Type: low
83%
0.1 In
12:00

SW
SW

23 / 48 mph 47 / 38°F 91% 1003 mb
Low level cloud: 88%
Mid level cloud: 60%
High level cloud: 51%
Most Significant Cloud Type: low
100%
0.3 In
18:00

SE
SE

2 / 5 mph 53 / 53°F 76% 1010 mb
Low level cloud: 4%
Mid level cloud: 20%
High level cloud: 12%
Most Significant Cloud Type: medium
30%
0.1 In

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure