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.

Thunderstorm in Vicinity

30°C

86°F

Humidity 25%
Wind Speed N 20 G 33 km/h
Barometer 29.93 in
Dewpoint 8°C (46°F)
Visibility 16 km
Heat Index28°C (83°F)
Last update 12 Aug 5:35 pm MDT
Extended Forecast for

Boulder CO

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely. Cloudy, with a steady temperature around 28. West wind around 16 km/h, with gusts as high as 26 km/h. Chance of precipitation is 60%.

    High: 28 °C

    T-storms
    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 16. West wind 9 to 14 km/h becoming light northwest. Winds could gust as high as 24 km/h. Chance of precipitation is 50%.

    Low: 16 °C

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 26. Light and variable wind becoming west 6 to 11 km/h in the morning. Chance of precipitation is 70%.

    High: 26 °C

    Slight Chance
    Showers then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 14. Southwest wind 5 to 10 km/h becoming calm in the evening. Chance of precipitation is 70%.

    Low: 14 °C

    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: Showers and possibly a thunderstorm after noon. High near 28. Calm wind. Chance of precipitation is 80%.

    High: 28 °C

    Partly Sunny
    then T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 13. Chance of precipitation is 60%.

    Low: 13 °C

    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 26. Chance of precipitation is 70%.

    High: 26 °C

    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 13.

    Low: 13 °C

    Showers
    Likely

  • Sunday

    Sunday: A slight chance of showers, then showers and possibly a thunderstorm after noon. Partly sunny, with a high near 26.

    High: 26 °C

    Slight Chance
    Showers then
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Cloudy, with a steady temperature around 28. West wind around 16 km/h, with gusts as high as 26 km/h. 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 16. West wind 9 to 14 km/h becoming light northwest. Winds could gust as high as 24 km/h. Chance of precipitation is 50%.
Thursday
A slight chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 26. Light and variable wind becoming west 6 to 11 km/h in the morning. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 14. Southwest wind 5 to 10 km/h becoming calm in the evening. Chance of precipitation is 70%.
Friday
Showers and possibly a thunderstorm after noon. High near 28. Calm wind. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 13. Chance of precipitation is 60%.
Saturday
A slight chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 26. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 13.
Sunday
A slight chance of showers, then showers and possibly a thunderstorm after noon. Partly sunny, with a high near 26.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 13.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 27.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 13.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Boulder CO
 40.02°N 105.25°W (Elev. 5358 m)
Last Update:
12:46 pm MDT Aug 12, 2026
Forecast Valid:
5pm MDT Aug 12, 2026-6pm MDT Aug 19, 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