National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

38°F

3°C

Humidity 52%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 23 Mar 3:55 am MDT
Extended Forecast for

3 Miles S Grand Lake CO

  • Today

    Today: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 58. South southwest wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 58 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of rain before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 37. West wind 6 to 11 mph becoming light west southwest. Winds could gust as high as 18 mph.

    Low: 37 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68. West wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A slight chance of rain before midnight. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: A chance of snow, mainly after noon. Partly sunny, with a high near 50.

    High: 50 °F

    Chance Snow

Detailed Forecast

Today
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 58. South southwest wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Tonight
A 30 percent chance of rain before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 37. West wind 6 to 11 mph becoming light west southwest. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 63. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 40. West wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 68. West wind 6 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 59.
Thursday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 29.
Friday
A chance of snow, mainly after noon. Partly sunny, with a high near 50.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
A chance of rain. Partly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
A chance of rain. Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Grand Lake CO
 40.21°N 105.82°W (Elev. 8990 ft)
Last Update:
12:46 am MDT Mar 23, 2026
Forecast Valid:
4am MDT Mar 23, 2026-6pm MDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation