Longmont, CO Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Longmont, CO in one place.
Sunny. High near 96, with temperatures falling to around 94 in the afternoon. East northeast wind 5 to 10 mph, with gusts as high as 17 mph.
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: Jul 14, 2026 7:17 PM MDT.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for Longmont, CO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 7:17 PM MDT
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Longmont
Sunday looks like the warmest upcoming period in Longmont at 98 degrees F.
Monday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Wednesday Night at about 5 to 13 mph E.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 7:17 PM MDT
- Coverage
- 7 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
Mostly clear, with a low around 64. East wind 5 to 13 mph, with gusts as high as 23 mph.
Sunny, with a high near 95. Northeast wind 5 to 9 mph, with gusts as high as 16 mph.
Mostly clear, with a low around 64.
Sunny, with a high near 95.
Mostly clear, with a low around 64.
Sunny, with a high near 97.
Mostly clear, with a low around 65.
Sunny, with a high near 98.
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90.
Showers and thunderstorms likely. Mostly cloudy, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
96°F |
5 to 10 mph
ENE
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
64°F |
5 to 13 mph
E
|
|
Thursday
Jul 16
|
Sunny
|
95°F |
5 to 9 mph
NE
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
64°F |
5 to 10 mph
SSW
|
|
Friday
Jul 17
|
Sunny
|
95°F |
5 to 8 mph
NE
|
|
Friday Night
Jul 17
|
Mostly Clear
|
64°F |
2 to 9 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
97°F |
3 to 9 mph
NE
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
65°F |
3 to 9 mph
WSW
|
|
Sunday
Jul 19
|
Sunny
|
98°F |
3 to 10 mph
NE
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms then Partly Cloudy
|
65°F |
3 to 10 mph
NNW
|
|
Monday
Jul 20
|
Mostly Sunny then Chance Showers And Thunderstorms
|
90°F |
3 to 9 mph
NE
|
|
Monday Night
Jul 20
|
Showers And Thunderstorms Likely
|
62°F |
1 to 9 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Longmont.
