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

82°F

28°C

Humidity 26%
Wind Speed SE 3 mph
Barometer 30.03 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 12 Aug 9:15 am MDT
Extended Forecast for

Brainard Lake CO

  • Today

    Today: Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Increasing clouds, with a temperature rising to near 70 by noon, then falling to around 57 during the remainder of the day. West wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 70%.

    High: 70 °F⇓

    Mostly Sunny
    then T-storms
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 46. West wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms after 3pm. High near 65. West wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 90%.

    High: 65 °F

    Chance
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 46. Light and variable wind becoming west 5 to 10 mph in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 66. West wind 5 to 10 mph becoming light west northwest in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 80%.

    High: 66 °F

    Chance
    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm after noon. Partly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny
    then T-storms

Detailed Forecast

Today
Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Increasing clouds, with a temperature rising to near 70 by noon, then falling to around 57 during the remainder of the day. West wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 70%.
Tonight
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 46. West wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Thursday
A chance of showers before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms after 3pm. High near 65. West wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 46. Light and variable wind becoming west 5 to 10 mph in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Friday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 66. West wind 5 to 10 mph becoming light west northwest in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Saturday
A chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 43.
Sunday
Showers and possibly a thunderstorm after noon. Partly sunny, with a high near 66.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 43.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 68.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Brainard Lake CO
 40.09°N 105.57°W (Elev. 10564 ft)
Last Update:
12:46 am MDT Aug 12, 2026
Forecast Valid:
9am MDT Aug 12, 2026-6pm MDT Aug 18, 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