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.

Overcast

39°F

4°C

Humidity 87%
Wind Speed Calm
Barometer 29.76 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 26 Apr 9:55 am MDT
Extended Forecast for

Boulder CO

  • Today

    Today: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 55. Light and variable wind becoming north northwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%.

    High: 55 °F

    Showers
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 9pm. Mostly cloudy, with a low around 41. Light and variable wind becoming west northwest around 6 mph after midnight.

    Low: 41 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after noon. High near 60. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 80%.

    High: 60 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 9pm, then showers likely. Low around 37. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 37 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 61. Calm wind becoming north 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.

    High: 65 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 56.

    High: 56 °F

    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 55. Light and variable wind becoming north northwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%.
Tonight
A 40 percent chance of showers, mainly before 9pm. Mostly cloudy, with a low around 41. Light and variable wind becoming west northwest around 6 mph after midnight.
Monday
Showers likely, then showers and possibly a thunderstorm after noon. High near 60. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 9pm, then showers likely. Low around 37. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Tuesday
A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 61. Calm wind becoming north 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 36.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 41.
Thursday
Showers likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 56.
Thursday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 39.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 55.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 38.
Saturday
A slight chance of showers. Mostly sunny, with a high near 68.
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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:
5:55 am MDT Apr 26, 2026
Forecast Valid:
10am MDT Apr 26, 2026-6pm MDT May 2, 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