Longmont, CO Weather Forecast | 5 Day
Updated: Thu Apr 24th 2025 10:30 AM MDT

Patchy Rain Nearby
Thu 4-24
Scattered showers with a high of 75°F and a low of 43°F. Rainfall expected in the surrounding area to have a 73% chance with an estimated 0.15in. Wind will be moderate, blowing around 13mph on average and gusts of 19mph at 9 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 91% at 8 PM and 39% being its lowest at 3 PM. Barometric pressure is its highest of 30.08inHg at 11 PM, a lowest point of 29.72inHg at 3 PM with an avg 29.85inHg.
- HI: 75°F
- LO: 43°F
- Rainfall: 73% | est. 0.15in
- Snowfall: 0%
- Wind
12.5 mph - Humidity
72% avg. - UV Index
1.8 - Air QualityModerate
- Sunrise
06:08 AM - Sunset
07:48 PM - Moonrise
04:24 AM - Moonset
04:18 PM - Moon Phase
Waning Crescent

Overcast
Fri 4-25
Overcast with a high of 43°F and a low of 41°F. Wind will be moderate, blowing around 11mph on average and gusts of 13.9mph at 3 AM. High humidity with average of 89% is anticipated, the maximum being 94% at 9 PM and 82% being its lowest at 11 AM. Barometric pressure is its highest of 30.27inHg at 11 AM, a lowest point of 30.1inHg at 12 AM with an avg 30.2inHg.
- HI: 43°F
- LO: 41°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
11 mph - Humidity
89% avg. - UV Index
0.4 - Air QualityGood
- Sunrise
06:07 AM - Sunset
07:49 PM - Moonrise
04:48 AM - Moonset
05:35 PM - Moon Phase
Waning Crescent

Partly Cloudy
Sat 4-26
Partly Cloudy with a high of 77°F and a low of 39°F. Winds will be light at 10mph and gusts of 18.8mph at 8 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 96% at 4 AM and 25% being its lowest at 6 PM. Barometric pressure is its highest of 30.16inHg at 12 AM, a lowest point of 29.68inHg at 6 PM with an avg 29.91inHg.
- HI: 77°F
- LO: 39°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
9.4 mph - Humidity
61% avg. - UV Index
2.2 - Air QualityGood
- Sunrise
06:05 AM - Sunset
07:50 PM - Moonrise
05:14 AM - Moonset
06:53 PM - Moon Phase
Waning Crescent

Sunny
Sun 4-27
Sunny with a high of 81°F and a low of 40°F. Wind will be moderate, blowing around 19mph on average and gusts of 31.9mph at 7 PM. Humidity levels should be comfortable, sitting around 36% on average, the maximum being 76% at 6 AM and 9% being its lowest at 2 PM. Barometric pressure is its highest of 29.89inHg at 6 AM, a lowest point of 29.36inHg at 5 PM with an avg 29.65inHg.
- HI: 81°F
- LO: 40°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
18.6 mph - Humidity
36% avg. - UV Index
2.2 - Air QualityGood
- Sunrise
06:04 AM - Sunset
07:51 PM - Moonrise
05:43 AM - Moonset
08:15 PM - Moon Phase
New Moon

Moderate Rain
Mon 4-28
Moderate Rain with a high of 58°F and a low of 44°F. It will likey rain, having a 89% chance of a downpour with an estimated 0.29in. Wind will be moderate, blowing around 20mph on average and gusts of 28.9mph at 11 AM. Humidity levels should be comfortable, sitting around 55% on average, the maximum being 82% at 11 AM and 33% being its lowest at 12 AM. Barometric pressure is its highest of 30.01inHg at 11 PM, a lowest point of 29.59inHg at 12 AM with an avg 29.72inHg.
- HI: 58°F
- LO: 44°F
- Rainfall: 89% | est. 0.29in
- Snowfall: 0%
- Wind
19.5 mph - Humidity
55% avg. - UV Index
0 - Air QualityGood
- Sunrise
06:03 AM - Sunset
07:52 PM - Moonrise
06:16 AM - Moonset
09:38 PM - Moon Phase
Waxing Crescent

Partly Cloudy
Tue 4-29
Partly Cloudy with a high of 63°F and a low of 41°F. Wind will be moderate, blowing around 13mph on average and gusts of 22.8mph at 9 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 81% at 6 AM and 32% being its lowest at 6 PM. Barometric pressure is its highest of 30.11inHg at 8 AM, a lowest point of 29.84inHg at 6 PM with an avg 29.99inHg.
- HI: 63°F
- LO: 41°F
- Rainfall: 0% | est. 0in
- Snowfall: 0%
- Wind
13 mph - Humidity
60% avg. - UV Index
4 - Air QualityTBA
- Sunrise
06:02 AM - Sunset
07:53 PM - Moonrise
06:58 AM - Moonset
10:56 PM - Moon Phase
Waxing Crescent
Currently
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59°F |
30.01 inHg.
Barometer 56%
Humidity SE 6.5 mph Wind |
Partly Cloudy |