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

95°F

35°C

Humidity 15%
Wind Speed E 7 mph
Barometer 30.19 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 17 Aug 3:15 pm MDT
Extended Forecast for

Boulder CO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 90. East wind around 6 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Light and variable wind becoming west 5 to 7 mph in the evening.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Light and variable wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. North northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Calm wind becoming north northeast around 5 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday 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 60. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after noon. Sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. East wind around 6 mph.
Tonight
Partly cloudy, with a low around 62. Light and variable wind becoming west 5 to 7 mph in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Light and variable wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. North northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Calm wind becoming north northeast around 5 mph.
Wednesday 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 60. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 88.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62.
Friday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 64.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 91.
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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 pm MDT Aug 17, 2026
Forecast Valid:
3pm MDT Aug 17, 2026-6pm MDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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