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

64°F

18°C

Humidity 49%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 2 Sep 3:35 am MDT
Extended Forecast for

Jamestown CO

  • Overnight

    Overnight: Mostly clear, with a low around 55. West wind around 9 mph, with gusts as high as 16 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 75. West wind 5 to 9 mph becoming south southeast in the afternoon. Winds could gust as high as 17 mph.

    High: 75 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. South southwest wind 5 to 8 mph becoming west in the evening. Winds could gust as high as 17 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78. West southwest wind around 6 mph becoming light and variable. Winds could gust as high as 15 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Light and variable wind becoming west 5 to 7 mph in the evening.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 55. West wind around 9 mph, with gusts as high as 16 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 75. West wind 5 to 9 mph becoming south southeast in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night
Partly cloudy, with a low around 55. South southwest wind 5 to 8 mph becoming west in the evening. Winds could gust as high as 17 mph.
Thursday
Sunny, with a high near 78. West southwest wind around 6 mph becoming light and variable. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 56. Light and variable wind becoming west 5 to 7 mph in the evening.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 58.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Saturday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 60.
Sunday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 74.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Labor Day
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Jamestown CO
 40.12°N 105.4°W (Elev. 7664 ft)
Last Update:
3:41 am MDT Sep 2, 2026
Forecast Valid:
3am MDT Sep 2, 2026-6pm MDT Sep 8, 2026
 
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Additional Resources

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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