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

70°F

21°C

Humidity 25%
Wind Speed Calm
Barometer 30.28 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 17 Oct 12:55 pm MDT
Extended Forecast for

3 Miles SE Boulder CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. East southeast wind around 5 mph becoming calm.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 45. Calm wind becoming west 5 to 8 mph in the evening.

    Low: 45 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 73. Calm wind becoming east around 6 mph.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °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 49.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 74. East southeast wind around 5 mph becoming calm.
Tonight
Clear, with a low around 45. Calm wind becoming west 5 to 8 mph in the evening.
Sunday
Mostly sunny, with a high near 73. Calm wind becoming east around 6 mph.
Sunday Night
Partly cloudy, with a low around 47. 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 49.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 71.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 53.
Friday
A chance of showers. Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Boulder CO
 40°N 105.22°W (Elev. 5292 ft)
Last Update:
12:46 pm MDT Oct 17, 2026
Forecast Valid:
1pm MDT Oct 17, 2026-6pm MDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation