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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Boulder Municipal Airport (KBDU)

Lat: 40.04°NLon: 105.23°WElev: 5288ft.

Fair

77°F

25°C

Humidity 18%
Wind Speed NE 5 mph
Barometer 30.21 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 17 Oct 3:15 pm MDT
Extended Forecast for

3 Miles NNW Boulder CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. Light east southeast wind.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 44. Calm wind becoming west 5 to 9 mph in the evening. Winds could gust as high as 15 mph.

    Low: 44 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 73. West wind around 6 mph becoming calm in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67. Calm wind becoming east around 5 mph.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 73. Light east southeast wind.
Tonight
Clear, with a low around 44. Calm wind becoming west 5 to 9 mph in the evening. Winds could gust as high as 15 mph.
Sunday
Mostly sunny, with a high near 73. West wind around 6 mph becoming calm in the afternoon.
Sunday Night
Partly cloudy, with a low around 46. Calm wind.
Monday
Mostly sunny, with a high near 67. Calm wind becoming east around 5 mph.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 52.
Friday
A chance of showers. Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Boulder CO
 40.07°N 105.25°W (Elev. 5400 ft)
Last Update:
12:46 pm MDT Oct 17, 2026
Forecast Valid:
3pm MDT Oct 17, 2026-6pm MDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation