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 Light Rain

81°F

27°C

Humidity 48%
Wind Speed SW 9 mph
Barometer 30.13 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 28 Jul 1:35 pm MDT
Extended Forecast for

4 Miles SW Boulder CO

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. East wind around 6 mph becoming north.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 62. North wind around 5 mph becoming light and variable.

    Low: 62 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 80. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 70%.

    High: 80 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 60. West wind around 7 mph.

    Low: 60 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 83. West wind 5 to 7 mph becoming calm in the morning.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly clear, with a low around 61. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. East wind around 6 mph becoming north.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 62. North wind around 5 mph becoming light and variable.
Wednesday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 80. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 60. West wind around 7 mph.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 83. West wind 5 to 7 mph becoming calm in the morning.
Thursday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly clear, with a low around 61. Chance of precipitation is 20%.
Friday
Sunny, with a high near 83.
Friday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 85.
Saturday Night
Clear, with a low around 62.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 67.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Boulder CO
 39.98°N 105.3°W (Elev. 7772 ft)
Last Update:
12:46 pm MDT Jul 28, 2026
Forecast Valid:
1pm MDT Jul 28, 2026-6pm MDT Aug 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation