Longmont, CO Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Longmont, CO in one place.
Mostly clear. Low around 58, with temperatures rising to around 60 overnight. West northwest wind around 3 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 10, 2026 6:46 AM MDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Longmont, CO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 6:46 AM MDT
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Longmont
Monday looks like the warmest upcoming period in Longmont at 99 degrees F.
Overnight is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Tuesday Night at about 2 to 18 mph S.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Jul 10, 2026 6:46 AM 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
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 89, with temperatures falling to around 85 in the afternoon. Northeast wind 2 to 7 mph. Chance of precipitation is 30%.
Partly cloudy, with a low around 59. West northwest wind 2 to 7 mph.
Sunny, with a high near 96. Northeast wind 2 to 6 mph.
Mostly clear, with a low around 62. Southwest wind 2 to 6 mph.
Sunny, with a high near 96.
Mostly clear, with a low around 64.
Sunny, with a high near 99.
Mostly clear, with a low around 64.
Sunny, with a high near 98.
Mostly clear, with a low around 64.
Sunny, with a high near 98.
Mostly clear, with a low around 65.
Sunny, with a high near 97.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 10
|
Mostly Clear
|
58°F |
3 mph
WNW
|
|
Friday
Jul 10
|
Mostly Sunny then Chance Showers And Thunderstorms
|
89°F |
2 to 7 mph
NE
|
|
Friday Night
Jul 10
|
Partly Cloudy
|
59°F |
2 to 7 mph
WNW
|
|
Saturday
Jul 11
|
Sunny
|
96°F |
2 to 6 mph
NE
|
|
Saturday Night
Jul 11
|
Mostly Clear
|
62°F |
2 to 6 mph
SW
|
|
Sunday
Jul 12
|
Sunny
|
96°F |
2 to 12 mph
NE
|
|
Sunday Night
Jul 12
|
Mostly Clear
|
64°F |
2 to 14 mph
S
|
|
Monday
Jul 13
|
Sunny
|
99°F |
2 to 14 mph
E
|
|
Monday Night
Jul 13
|
Mostly Clear
|
64°F |
2 to 16 mph
SSW
|
|
Tuesday
Jul 14
|
Sunny
|
98°F |
3 to 15 mph
NE
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
64°F |
2 to 18 mph
S
|
|
Wednesday
Jul 15
|
Sunny
|
98°F |
3 to 15 mph
NE
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
65°F |
3 to 16 mph
S
|
|
Thursday
Jul 16
|
Sunny
|
97°F |
3 to 10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Longmont.
