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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

2 Miles SSW Thornton CO

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

Click here for hazard details and duration

Freeze Watch

Today
High: 54 °F
Breezy.
Chance
Showers then
Slight Chance
Showers
Tonight
Low: 32 °F
Mostly Clear
Friday
High: 59 °F
Sunny
Friday Night
Low: 35 °F
Clear
Saturday
High: 76 °F
Sunny
Saturday Night
Low: 43 °F
Mostly Clear
Sunday
High: 73 °F
Mostly Sunny
Sunday Night
Low: 43 °F
Partly Cloudy
Monday
High: 73 °F
Sunny

Detailed Forecast

Today

A 50 percent chance of showers, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 54. Breezy, with a north wind 10 to 18 mph, with gusts as high as 30 mph.

Tonight

Mostly clear, with a low around 32. North wind 5 to 8 mph becoming calm in the evening.

Friday

Sunny, with a high near 59. East southeast wind 3 to 5 mph.

Friday Night

Clear, with a low around 35. Calm wind becoming south southwest around 5 mph after midnight.

Saturday

Sunny, with a high near 76. South southwest wind around 6 mph becoming calm in the morning.

Saturday Night

Mostly clear, with a low around 43.

Sunday

Mostly sunny, with a high near 73.