Larimer County, CO Weather Forecast
County weather hub
Mostly Cloudy then Chance Rain Showers
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 rain showers after noon. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.
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
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 3:40 AM MDT
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Larimer County
Saturday looks like the warmest upcoming period in Larimer County at 64 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Sunday at about 8 to 13 mph WSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 3:40 AM MDT
- Coverage
- 5 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
A chance of rain showers before midnight. Partly cloudy, with a low around 40.
Mostly sunny, with a high near 61.
A chance of rain showers before 3am, then a chance of rain and snow showers. Partly cloudy, with a low around 37.
A slight chance of snow showers before 9am, then rain and snow showers likely. Partly sunny, with a high near 54.
Snow showers likely before 9pm, then rain and snow showers likely. Mostly cloudy, with a low around 30. New snow accumulation of less than one inch possible.
Snow showers before noon, then snow showers and a slight chance of thunderstorms. Cloudy, with a high near 47. New snow accumulation of less than one inch possible.
Snow showers likely. Mostly cloudy, with a low around 29. New snow accumulation of less than one inch possible.
A chance of snow showers. Mostly sunny, with a high near 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Mostly Cloudy then Chance Rain Showers
|
64°F |
5 to 9 mph
SW
|
|
Saturday Night
Apr 11
|
Chance Rain Showers then Partly Cloudy
|
40°F |
8 mph
WSW
|
|
Sunday
Apr 12
|
Mostly Sunny
|
61°F |
8 to 13 mph
WSW
|
|
Sunday Night
Apr 12
|
Chance Rain Showers then Chance Rain And Snow Showers
|
37°F |
6 to 9 mph
WSW
|
|
Monday
Apr 13
|
Rain And Snow Showers Likely
|
54°F |
7 to 13 mph
WSW
|
|
Monday Night
Apr 13
|
Snow Showers Likely
|
30°F |
7 to 12 mph
W
|
|
Tuesday
Apr 14
|
Snow Showers
|
47°F |
9 mph
WNW
|
|
Tuesday Night
Apr 14
|
Snow Showers Likely
|
29°F |
8 mph
WNW
|
|
Wednesday
Apr 15
|
Chance Snow Showers
|
53°F |
9 to 13 mph
W
|
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.