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Denver's Monthly Weather Summary for September 2026

Hazardous Weather Conditions

Freeze Watch in effect from October 16, 12:00 AM MDT until October 16, 09:00 AM MDT

Current conditions at

Broomfield / Jeffco (KBJC)

Lat: 39.9°NLon: 105.1°WElev: 5551ft.

Overcast

43°F

6°C

Humidity	93%
Wind Speed	N 7 mph
Barometer	30.27 in
Dewpoint	41°F (5°C)
Visibility	10.00 mi
Wind Chill	39°F (4°C)
Last update	15 Oct 6:15 am MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles SSE Rocky Flats CO

Freeze Watch October 16, 12:00am until October 16, 09:00am

Click here for hazard details and duration

Freeze Watch

Today
High: 52 °F
Breezy.
Chance
Showers then
Slight Chance
Showers
Tonight
Low: 29 °F
Mostly Clear
Friday
High: 58 °F
Sunny
Friday Night
Low: 36 °F
Clear
Saturday
High: 75 °F
Sunny
Saturday Night
Low: 44 °F
Mostly Clear
Sunday
High: 72 °F
Mostly Sunny
Sunday Night
Low: 42 °F
Partly Cloudy
Monday
High: 71 °F
Sunny

Detailed Forecast

Today

A 50 percent chance of showers, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 52. Breezy, with a north wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.

Tonight

Mostly clear, with a low around 29. North northeast wind around 6 mph becoming calm after midnight.

Friday

Sunny, with a high near 58. Calm wind becoming east southeast 5 to 7 mph in the morning.

Friday Night

Clear, with a low around 36. Calm wind becoming west around 5 mph after midnight.

Saturday

Sunny, with a high near 75. West southwest wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.

Saturday Night

Mostly clear, with a low around 44.

Sunday

Mostly sunny, with a high near 72.