Larimer County, CO Weather Forecast
County weather hub
Mostly Sunny then Chance Showers And Thunderstorms
Compare major city weather across Larimer County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
County Weather Overview
This county weather page brings together forecast coverage for Larimer County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 4 of 4 mapped cities in Larimer County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 10 to Jul 13, 2026
- Latest sync
- Jul 6, 2026 8:25 PM MDT
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Larimer County
Sunday looks like the warmest upcoming period in Larimer County at 87 degrees F.
Friday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Sunday at about 2 to 13 mph SE.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Jul 6, 2026 8:25 PM MDT
- Coverage
- 4 days
- Time zone
- America/Denver
- Forecast office
- BOU
- Radar station
- KCYS
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 56.
Sunny, with a high near 86.
Mostly clear, with a low around 60.
Sunny, with a high near 87.
Mostly clear, with a low around 61.
Sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 10
|
Mostly Sunny then Chance Showers And Thunderstorms
|
80°F |
5 mph
N
|
|
Friday Night
Jul 10
|
Mostly Clear
|
56°F |
5 mph
SSW
|
|
Saturday
Jul 11
|
Sunny
|
86°F |
2 to 6 mph
NNE
|
|
Saturday Night
Jul 11
|
Mostly Clear
|
60°F |
2 to 6 mph
S
|
|
Sunday
Jul 12
|
Sunny
|
87°F |
2 to 13 mph
SE
|
|
Sunday Night
Jul 12
|
Mostly Clear
|
61°F |
2 to 13 mph
SSW
|
|
Monday
Jul 13
|
Sunny
|
87°F |
2 to 10 mph
ESE
|
Major City Forecasts
Live forecast snapshots for major cities across Larimer County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Larimer County.
Largest mapped city population in this region: 168,234.