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

Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Current conditions at

Boulder Municipal Airport (KBDU)

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

Overcast

64°F

18°C

Humidity 52%
Wind Speed Calm
Barometer 30.27 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 24 Sep 10:55 pm MDT
Extended Forecast for

2 Miles SW Boulder CO

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 3am. Patchy fog between midnight and 3am. Otherwise, mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 74. Calm wind becoming east around 5 mph.

    High: 74 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 55. West southwest wind 3 to 8 mph.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. West wind 5 to 8 mph becoming calm in the afternoon. Winds could gust as high as 17 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. West southwest wind around 6 mph becoming calm after midnight.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm, then showers after midnight. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Showers

Detailed Forecast

Tonight
A 50 percent chance of showers, mainly before 3am. Patchy fog between midnight and 3am. Otherwise, mostly cloudy, with a low around 53. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 74. Calm wind becoming east around 5 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 55. West southwest wind 3 to 8 mph.
Saturday
Sunny, with a high near 83. West wind 5 to 8 mph becoming calm in the afternoon. Winds could gust as high as 17 mph.
Saturday Night
Mostly clear, with a low around 55. West southwest wind around 6 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 77.
Monday Night
Showers likely and possibly a thunderstorm, then showers after midnight. Mostly cloudy, with a low around 54.
Tuesday
Showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 64.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 50.
Wednesday
A chance of showers. Partly sunny, with a high near 70.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 50.
Thursday
A slight chance of showers. Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Boulder CO
 40°N 105.27°W (Elev. 5525 ft)
Last Update:
12:46 pm MDT Sep 24, 2026
Forecast Valid:
11pm MDT Sep 24, 2026-6pm MDT Oct 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation