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

Hazardous Weather Conditions

Current conditions at

Boulder Municipal Airport (KBDU)

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

Partly Cloudy

91°F

33°C

Humidity 17%
Wind Speed NE 10 mph
Barometer 30.20 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 21 Aug 3:55 pm MDT
Extended Forecast for

Boulder CO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 98. North northeast wind around 8 mph.

    High: 98 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 65. West wind 3 to 7 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 90. Calm wind becoming west southwest 5 to 8 mph in the morning.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 63. West wind 3 to 8 mph.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 91. Calm wind becoming north northwest around 6 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 64. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 98. North northeast wind around 8 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 65. West wind 3 to 7 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 90. Calm wind becoming west southwest 5 to 8 mph in the morning.
Saturday Night
A 50 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 63. West wind 3 to 8 mph.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 91. Calm wind becoming north northwest around 6 mph in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
Monday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 90.
Monday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Boulder CO
 40.04°N 105.25°W (Elev. 5404 ft)
Last Update:
1:46 pm MDT Aug 21, 2026
Forecast Valid:
3pm MDT Aug 21, 2026-6pm MDT Aug 27, 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