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Jamestown 14 Day Long Range Forecast

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

St. Helena Island

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

The forecast for Jamestown in the coming two weeks is predicting the average daytime maximum temperature will be around 24°C, with a high for the two weeks of 25°C expected on the afternoon of Sunday 19th. The average minimum temperature will be 19°C, dipping to its lowest on the morning of Saturday 25th at 18°C. Expect the next 14 days remain predominantly dry. On the whole winds are likely to be moderate. The strongest wind will be experienced on the morning of Saturday 25th, coming from a south easterly direction, and reaching around 29mph.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 15
May
18:00

E
E

16 / 22 mph 75 / 77°F 74% 1016 mb
Low level cloud: 76%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

E
E

17 / 32 mph 71 / 71°F 72% 1017 mb
Low level cloud: 71%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 16
May
00:00

E
E

15 / 30 mph 70 / 70°F 74% 1017 mb
Low level cloud: 74%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ESE
ESE

13 / 26 mph 68 / 68°F 74% 1017 mb
Low level cloud: 93%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

14 / 30 mph 66 / 67°F 75% 1018 mb
Low level cloud: 87%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

17 / 31 mph 71 / 70°F 77% 1019 mb
Low level cloud: 82%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SE
SE

18 / 26 mph 75 / 77°F 74% 1019 mb
Low level cloud: 70%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SE
SE

20 / 23 mph 77 / 79°F 76% 1017 mb
Low level cloud: 61%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ESE
ESE

21 / 28 mph 75 / 77°F 78% 1017 mb
Low level cloud: 45%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ESE
ESE

22 / 38 mph 71 / 71°F 81% 1018 mb
Low level cloud: 34%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 17
May
00:00

SE
SE

21 / 40 mph 70 / 70°F 83% 1017 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SE
SE

20 / 43 mph 68 / 68°F 83% 1016 mb
Low level cloud: 9%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

22 / 47 mph 66 / 66°F 82% 1017 mb
Low level cloud: 47%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

23 / 43 mph 71 / 70°F 82% 1019 mb
Low level cloud: 61%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SE
SE

22 / 30 mph 75 / 78°F 81% 1018 mb
Low level cloud: 60%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SE
SE

20 / 23 mph 77 / 80°F 81% 1016 mb
Low level cloud: 62%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SE
SE

22 / 30 mph 75 / 78°F 81% 1016 mb
Low level cloud: 59%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SE
SE

23 / 41 mph 71 / 71°F 81% 1018 mb
Low level cloud: 58%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 18
May
00:00

SE
SE

23 / 44 mph 70 / 70°F 81% 1017 mb
Low level cloud: 60%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SE
SE

21 / 44 mph 68 / 68°F 80% 1016 mb
Low level cloud: 58%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

21 / 43 mph 67 / 67°F 81% 1017 mb
Low level cloud: 64%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

22 / 41 mph 71 / 70°F 81% 1019 mb
Low level cloud: 63%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SE
SE

22 / 30 mph 75 / 78°F 81% 1018 mb
Low level cloud: 55%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SE
SE

19 / 23 mph 77 / 79°F 81% 1016 mb
Low level cloud: 62%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SE
SE

21 / 28 mph 74 / 78°F 82% 1016 mb
Low level cloud: 52%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SE
SE

21 / 35 mph 71 / 71°F 82% 1018 mb
Low level cloud: 10%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 19
May
00:00

SE
SE

20 / 38 mph 70 / 70°F 83% 1017 mb
Low level cloud: 30%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SE
SE

19 / 39 mph 67 / 67°F 83% 1016 mb
Low level cloud: 3%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

20 / 42 mph 66 / 66°F 82% 1016 mb
Low level cloud: 49%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

20 / 37 mph 71 / 70°F 82% 1017 mb
Low level cloud: 3%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SE
SE

18 / 22 mph 75 / 78°F 82% 1017 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SE
SE

18 / 21 mph 78 / 80°F 81% 1015 mb
Low level cloud: 41%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SE
SE

15 / 18 mph 75 / 78°F 81% 1016 mb
Low level cloud: 31%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SE
SE

16 / 26 mph 71 / 71°F 81% 1017 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May
00:00

SSE
SSE

16 / 32 mph 68 / 69°F 81% 1017 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSE
SSE

17 / 37 mph 66 / 66°F 82% 1015 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSE
SSE

18 / 38 mph 65 / 65°F 81% 1016 mb
Low level cloud: 32%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSE
SSE

17 / 32 mph 70 / 69°F 79% 1018 mb
Low level cloud: 41%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSE
SSE

16 / 19 mph 75 / 77°F 78% 1018 mb
Low level cloud: 51%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSE
SSE

14 / 16 mph 77 / 79°F 78% 1015 mb
Low level cloud: 41%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSE
SSE

15 / 18 mph 73 / 77°F 78% 1016 mb
Low level cloud: 48%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSE
SSE

16 / 26 mph 70 / 70°F 77% 1017 mb
Low level cloud: 43%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May
00:00

SSE
SSE

17 / 32 mph 68 / 68°F 78% 1017 mb
Low level cloud: 46%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSE
SSE

17 / 36 mph 66 / 66°F 76% 1016 mb
Low level cloud: 61%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

16 / 34 mph 65 / 65°F 74% 1016 mb
Low level cloud: 60%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSE
SSE

17 / 34 mph 69 / 68°F 74% 1018 mb
Low level cloud: 63%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SE
SE

17 / 26 mph 73 / 76°F 71% 1017 mb
Low level cloud: 46%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SE
SE

16 / 20 mph 75 / 77°F 72% 1016 mb
Low level cloud: 60%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SE
SE

17 / 27 mph 72 / 76°F 75% 1016 mb
Low level cloud: 64%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SE
SE

17 / 35 mph 69 / 69°F 72% 1018 mb
Low level cloud: 62%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 22
May
00:00

SE
SE

20 / 39 mph 69 / 69°F 76% 1017 mb
Low level cloud: 61%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
60%
0.0 In
06:00

SE
SE

19 / 40 mph 66 / 66°F 76% 1016 mb
Low level cloud: 63%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
63%
0.0 In
12:00

SE
SE

19 / 26 mph 73 / 77°F 79% 1017 mb
Low level cloud: 56%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
56%
0.0 In
18:00

SE
SE

17 / 24 mph 73 / 77°F 79% 1016 mb
Low level cloud: 49%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
48%
0.0 In
Thu 23
May
00:00

ESE
ESE

23 / 49 mph 68 / 68°F 75% 1018 mb
Low level cloud: 80%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
79%
0.0 In
06:00

ESE
ESE

23 / 48 mph 65 / 65°F 76% 1017 mb
Low level cloud: 79%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
79%
0.0 In
12:00

ESE
ESE

23 / 39 mph 71 / 71°F 75% 1018 mb
Low level cloud: 67%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
66%
0.0 In
18:00

ESE
ESE

22 / 43 mph 70 / 70°F 72% 1017 mb
Low level cloud: 83%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
83%
0.0 In
Fri 24
May
00:00

ESE
ESE

22 / 46 mph 67 / 67°F 71% 1017 mb
Low level cloud: 66%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
66%
0.0 In
06:00

SE
SE

22 / 47 mph 65 / 65°F 67% 1017 mb
Low level cloud: 5%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
5%
0.0 In
12:00

ESE
ESE

26 / 49 mph 69 / 69°F 71% 1018 mb
Low level cloud: 28%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
36%
0.1 In
18:00

SE
SE

22 / 35 mph 71 / 71°F 72% 1017 mb
Low level cloud: 56%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
56%
0.0 In
Sat 25
May
00:00

ESE
ESE

23 / 48 mph 67 / 67°F 72% 1018 mb
Low level cloud: 53%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
52%
0.0 In
06:00

SE
SE

25 / 52 mph 64 / 64°F 62% 1018 mb
Low level cloud: 25%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
24%
0.0 In
12:00

ESE
ESE

21 / 38 mph 71 / 71°F 73% 1019 mb
Low level cloud: 71%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
71%
0.0 In
18:00

ESE
ESE

25 / 46 mph 70 / 70°F 71% 1018 mb
Low level cloud: 64%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
64%
0.1 In
Sun 26
May
00:00

ESE
ESE

20 / 42 mph 67 / 67°F 72% 1018 mb
Low level cloud: 38%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: low
38%
0.0 In
06:00

ESE
ESE

26 / 54 mph 63 / 63°F 72% 1019 mb
Low level cloud: 80%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
79%
0.1 In
12:00

ESE
ESE

16 / 30 mph 69 / 69°F 71% 1018 mb
Low level cloud: 39%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: low
39%
0.0 In
18:00

ESE
ESE

24 / 48 mph 68 / 68°F 68% 1018 mb
Low level cloud: 51%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: low
51%
0.0 In
Mon 27
May
00:00

ESE
ESE

13 / 27 mph 68 / 68°F 72% 1018 mb
Low level cloud: 33%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
32%
0.0 In
06:00

ESE
ESE

21 / 44 mph 64 / 64°F 73% 1018 mb
Low level cloud: 68%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
68%
0.0 In
12:00

ESE
ESE

14 / 26 mph 71 / 71°F 70% 1017 mb
Low level cloud: 34%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
34%
0.0 In
18:00

ESE
ESE

20 / 42 mph 69 / 69°F 71% 1017 mb
Low level cloud: 78%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: low
78%
0.0 In
Tue 28
May
00:00

SE
SE

14 / 29 mph 67 / 67°F 72% 1017 mb
Low level cloud: 16%
Mid level cloud: 2%
High level cloud: 97%
Most Significant Cloud Type: low
28%
0.0 In
06:00

ESE
ESE

16 / 33 mph 64 / 64°F 71% 1017 mb
Low level cloud: 86%
Mid level cloud: 0%
High level cloud: 83%
Most Significant Cloud Type: low
96%
0.0 In
12:00

SE
SE

15 / 29 mph 70 / 70°F 70% 1016 mb
Low level cloud: 36%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
36%
0.0 In
18:00

ESE
ESE

9 / 19 mph 69 / 69°F 69% 1016 mb
Low level cloud: 50%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
50%
0.0 In
Wed 29
May
00:00

SSE
SSE

17 / 36 mph 66 / 66°F 72% 1017 mb
Low level cloud: 96%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
96%
0.0 In
06:00

SE
SE

10 / 21 mph 66 / 66°F 67% 1016 mb
Low level cloud: 33%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
38%
0.0 In
12:00

SE
SE

17 / 36 mph 68 / 68°F 70% 1017 mb
Low level cloud: 83%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
83%
0.0 In
18:00

SE
SE

15 / 30 mph 70 / 70°F 74% 1016 mb
Low level cloud: 21%
Mid level cloud: 2%
High level cloud: 21%
Most Significant Cloud Type: low
23%
0.0 In
Thu 30
May
00:00

SE
SE

18 / 38 mph 66 / 66°F 70% 1018 mb
Low level cloud: 86%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
86%
0.0 In
06:00

SSE
SSE

13 / 28 mph 66 / 66°F 67% 1017 mb
Low level cloud: 65%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
65%
0.0 In
12:00

ESE
ESE

19 / 36 mph 68 / 68°F 73% 1018 mb
Low level cloud: 29%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
29%
0.0 In
18:00

SE
SE

13 / 27 mph 71 / 71°F 70% 1018 mb
Low level cloud: 6%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
5%
0.0 In

Other Locations Near to Jamestown

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