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

Boulder Municipal Airport (KBDU)

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

Fair

88°F

31°C

Humidity 21%
Wind Speed E 7 mph
Barometer 30.03 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 12 Aug 11:15 am MDT
Extended Forecast for

Boulder CO

  • Today

    Today: A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 89. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon. Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 61. West wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms, mainly after 3pm. High near 80. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 80%.

    High: 80 °F

    Mostly Sunny
    then T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 58. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 58 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly after noon. High near 81. Light and variable wind. Chance of precipitation is 80%.

    High: 81 °F

    Slight Chance
    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.

    Low: 57 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny
    then T-storms
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 89. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 61. West wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 50%.
Thursday
Showers and thunderstorms, mainly after 3pm. High near 80. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 58. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm, mainly after noon. High near 81. Light and variable wind. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Saturday
A slight chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 56.
Sunday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 80.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 56.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Boulder CO
 40.02°N 105.28°W (Elev. 5400 ft)
Last Update:
12:46 am MDT Aug 12, 2026
Forecast Valid:
11am MDT Aug 12, 2026-6pm MDT Aug 18, 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