Longmont, CO Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Longmont, CO in one place.
A slight chance of rain showers after noon. Mostly sunny, with a high near 67. East northeast wind 1 to 5 mph. Chance of precipitation is 20%.
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: Oct 12, 2026 1:30 AM MDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Longmont, CO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 1:30 AM MDT
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Longmont
Sunday looks like the warmest upcoming period in Longmont at 76 degrees F.
Friday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 9 mph NE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 1:30 AM 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
Rain showers likely. Cloudy, with a low around 44. North northeast wind around 7 mph, with gusts as high as 17 mph. Chance of precipitation is 70%.
Rain showers. Cloudy, with a high near 56. Chance of precipitation is 80%.
Rain showers likely. Mostly cloudy, with a low around 39.
A chance of rain showers. Partly sunny, with a high near 62.
A chance of rain showers. Mostly cloudy, with a low around 38.
Sunny, with a high near 61.
Mostly clear, with a low around 36.
Sunny, with a high near 72.
Mostly clear, with a low around 43.
Sunny, with a high near 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Mostly Sunny then Slight Chance Rain Showers
|
67°F |
1 to 5 mph
ENE
|
|
Tuesday Night
Oct 13
|
Rain Showers Likely
|
44°F |
7 mph
NNE
|
|
Wednesday
Oct 14
|
Rain Showers
|
56°F |
5 to 9 mph
NE
|
|
Wednesday Night
Oct 14
|
Rain Showers Likely
|
39°F |
1 to 5 mph
N
|
|
Thursday
Oct 15
|
Chance Rain Showers
|
62°F |
1 to 7 mph
NW
|
|
Thursday Night
Oct 15
|
Chance Rain Showers
|
38°F |
1 to 6 mph
NNW
|
|
Friday
Oct 16
|
Sunny
|
61°F |
1 to 5 mph
NE
|
|
Friday Night
Oct 16
|
Mostly Clear
|
36°F |
2 mph
WSW
|
|
Saturday
Oct 17
|
Sunny
|
72°F |
1 mph
ENE
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
43°F |
0 to 5 mph
NW
|
|
Sunday
Oct 18
|
Sunny
|
76°F |
3 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Longmont.
