National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Broomfield / Jeffco (KBJC)

Lat: 39.9°NLon: 105.1°WElev: 5551ft.

A Few Clouds

70°F

21°C

Humidity 40%
Wind Speed SE 6 mph
Barometer 30.13 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 30 Sep 10:50 am MDT
Extended Forecast for

Thornton CO

  • Today

    Today: Mostly sunny, with a high near 79. Calm wind becoming east around 5 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Southwest wind around 6 mph.

    Low: 53 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 80. Light and variable wind becoming southeast around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. East wind around 6 mph becoming light and variable in the evening.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming east around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers. Partly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly after noon. Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 79. Calm wind becoming east around 5 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Southwest wind around 6 mph.
Wednesday
Sunny, with a high near 80. Light and variable wind becoming southeast around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. East wind around 6 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 83. Calm wind becoming east around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 84.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 55.
Saturday
A chance of showers, mainly after noon. Partly sunny, with a high near 76.
Saturday Night
A chance of showers, mainly before midnight. Partly cloudy, with a low around 48.
Sunday
A slight chance of showers. Mostly sunny, with a high near 68.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 46.
Monday
A slight chance of showers. Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thornton CO
 39.89°N 104.95°W (Elev. 5197 ft)
Last Update:
5:45 am MDT Sep 30, 2025
Forecast Valid:
11am MDT Sep 30, 2025-6pm MDT Oct 6, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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