Grand County, CO Weather Forecast
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Slight Chance Rain Showers then Chance Showers And Thunderstorms
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A slight chance of rain showers between 9am and noon, then a chance of showers and thunderstorms. Mostly sunny. High near 57, with temperatures falling to around 53 in the afternoon. West southwest wind 3 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
County Weather Overview
This county weather page brings together forecast coverage for Grand County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 0 of 0 mapped cities in Grand County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 30 to Jun 4, 2026
- Latest sync
- May 29, 2026 9:16 AM MDT
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand County
Thursday looks like the warmest upcoming period in Grand County at 75 degrees F.
Saturday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Sunday at about 5 to 22 mph WSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 29, 2026 9:16 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 slight chance of rain showers before midnight. Partly cloudy, with a low around 31. West southwest wind 3 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 61. West southwest wind 5 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Mostly clear, with a low around 31.
Sunny, with a high near 66.
Mostly clear, with a low around 34.
Sunny, with a high near 73.
Partly cloudy, with a low around 36.
Sunny, with a high near 74.
Partly cloudy, with a low around 37.
Sunny, with a high near 75.
Partly cloudy, with a low around 38.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
57°F |
3 to 21 mph
WSW
|
|
Saturday Night
May 30
|
Slight Chance Rain Showers then Partly Cloudy
|
31°F |
3 to 21 mph
WSW
|
|
Sunday
May 31
|
Mostly Sunny then Chance Showers And Thunderstorms
|
61°F |
5 to 22 mph
WSW
|
|
Sunday Night
May 31
|
Mostly Clear
|
31°F |
2 to 20 mph
SSW
|
|
Monday
Jun 1
|
Sunny
|
66°F |
3 to 18 mph
WSW
|
|
Monday Night
Jun 1
|
Mostly Clear
|
34°F |
5 to 16 mph
ENE
|
|
Tuesday
Jun 2
|
Sunny
|
73°F |
1 to 16 mph
SW
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
36°F |
3 to 15 mph
ENE
|
|
Wednesday
Jun 3
|
Sunny
|
74°F |
2 to 16 mph
WSW
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
37°F |
3 to 15 mph
ENE
|
|
Thursday
Jun 4
|
Sunny
|
75°F |
3 to 17 mph
WSW
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
38°F |
3 to 16 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand County.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Grand County.
