Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

59°F

15°C

Humidity 18%
Wind Speed Calm
Barometer 30.36 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 18 Oct 12:55 pm MDT
Extended Forecast for

3 Miles N Grand Lake CO

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 56. South southwest wind 3 to 5 mph.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. East wind 5 to 7 mph becoming calm  after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 55. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 55 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 9pm.  Partly cloudy, with a low around 31. Light and variable wind.

    Low: 31 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 53. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 53 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely after noon.  Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny
    then Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 56. South southwest wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 31. East wind 5 to 7 mph becoming calm after midnight.
Monday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 55. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Monday Night
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 31. Light and variable wind.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 53. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
Mostly clear, with a low around 32.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Showers likely after noon. Partly sunny, with a high near 56.
Thursday Night
Showers likely. Mostly cloudy, with a low around 35.
Friday
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 49.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 27.
Saturday
A chance of snow showers. Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Grand Lake CO
 40.3°N 105.83°W (Elev. 9613 ft)
12:46 pm MDT Oct 18, 2026
1pm MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database