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Longmont 14 Day Long Range Forecast

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

Colorado, United States Of America

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

The outlook for Longmont in the two weeks ahead shows the average daytime maximum temperature will be around 24°C, with a high for the two weeks of 30°C expected on the afternoon of Sunday 19th. The mean minimum temperature will be 8°C, dipping to its lowest on the morning of Thursday 16th at 6°C. The fortnight ahead will have some days seeing a little precipitation and some days with rain or snow. The current forecast indicates Tuesday 21st will have the most precipitation with an accumulation of around 14.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 13
May		14:00

ENE
ENE

 4 / 4 mph 78 / 75°F 28% 1006 mb
Low level cloud: 0%
Mid level cloud: 41%
High level cloud: 18%
Most Significant Cloud Type: medium
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

SE
SE

 13 / 15 mph 65 / 64°F 55% 1007 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

WSW
WSW

 6 / 12 mph 52 / 48°F 73% 1009 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 32%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

W
W

 1 / 3 mph 48 / 48°F 65% 1009 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 32%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 14
May		02:00

NW
NW

 4 / 9 mph 47 / 45°F 66% 1009 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 10%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

WSW
WSW

 5 / 11 mph 45 / 42°F 59% 1008 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 17%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

SW
SW

 4 / 4 mph 71 / 68°F 34% 1006 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 14%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

NNW
NNW

 7 / 8 mph 77 / 75°F 24% 1004 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 99%
Most Significant Cloud Type: high
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

W
W

 9 / 10 mph 79 / 75°F 26% 1002 mb
Low level cloud: 0%
Mid level cloud: 48%
High level cloud: 79%
Most Significant Cloud Type: medium
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

SW
SW

 20 / 23 mph 65 / 64°F 50% 1006 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 48%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

SSW
SSW

 5 / 11 mph 54 / 51°F 65% 1008 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 14%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

N
N

 6 / 13 mph 50 / 47°F 68% 1010 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 98%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 15
May		02:00

ENE
ENE

 1 / 2 mph 45 / 45°F 80% 1010 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 18%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NNW
NNW

 4 / 9 mph 44 / 42°F 81% 1011 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 9%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

ENE
ENE

 6 / 7 mph 60 / 58°F 66% 1011 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 4%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

ESE
ESE

 9 / 10 mph 68 / 66°F 50% 1009 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 13%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

NE
NE

 18 / 25 mph 62 / 61°F 63% 1009 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 4%
Most Significant Cloud Type: medium
22%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
17:00

SSE
SSE

 4 / 6 mph 54 / 52°F 93% 1013 mb
Low level cloud: 43%
Mid level cloud: 46%
High level cloud: 52%
Most Significant Cloud Type: low
64%
Expect 0.4 In of precipitation over the past 3 hours.
0.4 In
20:00

SW
SW

 4 / 5 mph 54 / 51°F 84% 1014 mb
Low level cloud: 1%
Mid level cloud: 46%
High level cloud: 72%
Most Significant Cloud Type: medium
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

SSW
SSW

 3 / 4 mph 51 / 51°F 81% 1013 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 32%
Most Significant Cloud Type: medium
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 16
May		02:00

SSW
SSW

 2 / 5 mph 45 / 44°F 85% 1012 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 11%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

W
W

 2 / 3 mph 43 / 43°F 85% 1012 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 2%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

ESE
ESE

 3 / 4 mph 60 / 59°F 63% 1012 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 3%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

E
E

 3 / 4 mph 69 / 66°F 48% 1009 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

E
E

 5 / 6 mph 73 / 74°F 36% 1007 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

SE
SE

 4 / 5 mph 73 / 74°F 35% 1006 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

SSW
SSW

 5 / 11 mph 56 / 54°F 54% 1008 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

WSW
WSW

 6 / 12 mph 52 / 50°F 58% 1007 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 17
May		02:00

WSW
WSW

 6 / 13 mph 48 / 45°F 55% 1007 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

WSW
WSW

 6 / 14 mph 46 / 43°F 56% 1008 mb
Low level cloud: 0%
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
08:00

WSW
WSW

 3 / 3 mph 71 / 69°F 35% 1006 mb
Low level cloud: 0%
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
11:00

SSW
SSW

 1 / 2 mph 81 / 76°F 22% 1003 mb
Low level cloud: 0%
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
14:00

NE
NE

 3 / 4 mph 86 / 79°F 18% 1000 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

WNW
WNW

 4 / 5 mph 83 / 78°F 27% 1000 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

WSW
WSW

 9 / 18 mph 64 / 62°F 32% 1004 mb
Low level cloud: 0%
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
23:00

WSW
WSW

 8 / 17 mph 55 / 53°F 36% 1006 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 18
May		02:00

WSW
WSW

 8 / 17 mph 54 / 52°F 41% 1006 mb
Low level cloud: 0%
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
05:00

WSW
WSW

 9 / 18 mph 52 / 49°F 40% 1007 mb
Low level cloud: 0%
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
08:00

W
W

 8 / 9 mph 76 / 74°F 28% 1007 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

WNW
WNW

 13 / 15 mph 83 / 78°F 14% 1007 mb
Low level cloud: 0%
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
14:00

WNW
WNW

 18 / 20 mph 83 / 79°F 12% 1007 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

WNW
WNW

 12 / 13 mph 82 / 78°F 16% 1007 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

SE
SE

 16 / 34 mph 60 / 56°F 29% 1014 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

NNE
NNE

 2 / 4 mph 54 / 55°F 48% 1015 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 17%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 19
May		02:00

NW
NW

 4 / 9 mph 48 / 47°F 50% 1013 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 7%
Most Significant Cloud Type: high
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NNW
NNW

 4 / 8 mph 47 / 46°F 55% 1014 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 33%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

SE
SE

 2 / 2 mph 68 / 66°F 39% 1012 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

SSW
SSW

 4 / 4 mph 83 / 77°F 22% 1007 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

N
N

 8 / 9 mph 86 / 80°F 20% 1003 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 7%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

E
E

 3 / 3 mph 81 / 77°F 30% 1004 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 1%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

NNE
NNE

 5 / 10 mph 57 / 55°F 68% 1011 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

WSW
WSW

 6 / 13 mph 53 / 51°F 64% 1012 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 20
May		05:00

ENE
ENE

 4 / 9 mph 40 / 37°F 83% 1022 mb
Low level cloud: 21%
Mid level cloud: 47%
High level cloud: 0%
Most Significant Cloud Type: low
37%
0.0 In
11:00

SSE
SSE

 10 / 19 mph 68 / 68°F 39% 1003 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 9%
Most Significant Cloud Type: medium
11%
0.0 In
17:00

ESE
ESE

 7 / 14 mph 61 / 61°F 43% 1016 mb
Low level cloud: 0%
Mid level cloud: 42%
High level cloud: 0%
Most Significant Cloud Type: medium
42%
0.0 In
23:00

NNW
NNW

 7 / 14 mph 47 / 44°F 91% 1007 mb
Low level cloud: 37%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
52%
0.0 In
Tue 21
May		05:00

NNE
NNE

 3 / 6 mph 49 / 48°F 81% 1017 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
0.0 In
17:00

ESE
ESE

 12 / 26 mph 70 / 70°F 66% 1009 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: medium
25%
0.0 In
Wed 22
May		05:00

N
N

 1 / 2 mph 50 / 50°F 81% 1012 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 88%
Most Significant Cloud Type: medium
7%
0.0 In
17:00

ESE
ESE

 10 / 20 mph 79 / 78°F 31% 1000 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 16%
Most Significant Cloud Type: medium
20%
0.0 In
Thu 23
May		05:00

NNW
NNW

 3 / 6 mph 52 / 53°F 54% 1005 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
17:00

ESE
ESE

 14 / 30 mph 74 / 76°F 41% 1001 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: medium
32%
0.0 In
Fri 24
May		05:00

NW
NW

 3 / 7 mph 60 / 60°F 83% 1005 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 56%
Most Significant Cloud Type: medium
22%
0.1 In
17:00

SW
SW

 8 / 16 mph 71 / 71°F 30% 999 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 100%
Most Significant Cloud Type: medium
27%
0.0 In
Sat 25
May		05:00

W
W

 2 / 5 mph 55 / 56°F 65% 1004 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 100%
Most Significant Cloud Type: medium
12%
0.0 In
17:00

WNW
WNW

 18 / 37 mph 71 / 71°F 19% 1004 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
2%
0.0 In
Sun 26
May		05:00

W
W

 23 / 47 mph 49 / 41°F 28% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
17:00

NW
NW

 8 / 16 mph 74 / 73°F 14% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: high
3%
0.0 In
Mon 27
May		05:00

N
N

 3 / 6 mph 50 / 49°F 48% 1025 mb
Low level cloud: 0%
Mid level cloud: 30%
High level cloud: 100%
Most Significant Cloud Type: medium
34%
0.0 In
17:00

ESE
ESE

 6 / 13 mph 73 / 74°F 28% 1020 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
0.0 In
Tue 28
May		05:00

N
N

 4 / 8 mph 47 / 46°F 63% 1026 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.0 In
17:00

ENE
ENE

 7 / 15 mph 76 / 76°F 31% 1016 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 38%
Most Significant Cloud Type: medium
7%
0.0 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