Longmont, CO Weather Forecast
Local 7-day forecast
Mostly Cloudy then Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Longmont, CO in one place.
A chance of rain showers after noon. Mostly cloudy, with a high near 74. Southwest wind 2 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Longmont, CO is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 1:00 PM MDT.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for Longmont, CO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 1:00 PM MDT
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Longmont
Saturday looks like the warmest upcoming period in Longmont at 74 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Monday Night at about 3 to 24 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 1:00 PM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- BOU
- Radar station
- KFTG
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers before midnight. Partly cloudy, with a low around 44. Chance of precipitation is 30%.
Mostly sunny, with a high near 73.
Partly cloudy, with a low around 42.
A chance of rain showers after noon. Mostly sunny, with a high near 67.
A chance of rain showers. Mostly cloudy, with a low around 37.
Rain showers likely. Mostly cloudy, with a high near 59.
A chance of rain showers. Mostly cloudy, with a low around 34.
A slight chance of rain showers after noon. Mostly sunny, with a high near 66.
Partly cloudy, with a low around 39.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Mostly Cloudy then Chance Rain Showers
|
74°F |
2 to 10 mph
SW
|
|
Saturday Night
Apr 11
|
Chance Rain Showers then Partly Cloudy
|
44°F |
5 to 10 mph
WSW
|
|
Sunday
Apr 12
|
Mostly Sunny
|
73°F |
5 to 10 mph
SSW
|
|
Sunday Night
Apr 12
|
Partly Cloudy
|
42°F |
3 to 10 mph
W
|
|
Monday
Apr 13
|
Mostly Sunny then Chance Rain Showers
|
67°F |
5 to 23 mph
WSW
|
|
Monday Night
Apr 13
|
Chance Rain Showers
|
37°F |
3 to 24 mph
W
|
|
Tuesday
Apr 14
|
Rain Showers Likely
|
59°F |
5 to 10 mph
N
|
|
Tuesday Night
Apr 14
|
Chance Rain Showers
|
34°F |
3 to 10 mph
NNW
|
|
Wednesday
Apr 15
|
Mostly Sunny then Slight Chance Rain Showers
|
66°F |
3 to 10 mph
W
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
39°F |
5 to 10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Longmont.
