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

61°F

16°C

Humidity 94%
Wind Speed Calm
Barometer 30.30 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Aug 2:55 am MDT
Extended Forecast for

4 Miles SW Boulder CO

  • Overnight

    Overnight: Mostly clear, with a low around 57. Light west southwest wind.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Light and variable wind becoming west 5 to 8 mph in the evening.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. West wind 5 to 8 mph becoming north in the afternoon.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    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 81.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 57. Light west southwest wind.
Monday
Sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 62. Light and variable wind becoming west 5 to 8 mph in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. West wind 5 to 8 mph becoming north in the afternoon.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 60.
Friday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 63.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Boulder CO
 40°N 105.3°W (Elev. 6509 ft)
Last Update:
12:46 am MDT Aug 17, 2026
Forecast Valid:
3am MDT Aug 17, 2026-6pm MDT Aug 23, 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