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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Broomfield / Jeffco (KBJC)

Lat: 39.9°NLon: 105.1°WElev: 5551ft.

Fair

57°F

14°C

Humidity 25%
Wind Speed W 7 mph
Barometer 30.18 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 18 Oct 12:35 am MDT
Extended Forecast for

3 Miles ESE Rocky Flats CO

  • Overnight

    Overnight: Clear, with a low around 45. West wind around 8 mph.

    Low: 45 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 73. West wind 5 to 8 mph becoming light and variable.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. Northwest wind around 5 mph becoming calm after midnight.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67. Calm wind becoming east around 6 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Northwest wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 45. West wind around 8 mph.
Sunday
Mostly sunny, with a high near 73. West wind 5 to 8 mph becoming light and variable.
Sunday Night
Partly cloudy, with a low around 47. Northwest wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 67. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 46. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 71.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 53.
Friday
A chance of showers. Partly sunny, with a high near 70.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50.
Saturday
A chance of showers. Partly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Rocky Flats CO
 39.87°N 105.15°W (Elev. 5597 ft)
Last Update:
12:46 pm MDT Oct 17, 2026
Forecast Valid:
12am MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation