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Denver's Weather Summary for August 2026

Current conditions at

Boulder Municipal Airport (KBDU)

Lat: 40.04°NLon: 105.23°WElev: 5288ft.

Fair

79°F

26°C

Humidity	30%
Wind Speed	NE 6 mph
Barometer	30.01 in
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	2 Sep 7:15 pm MDT

More Information:

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

Extended Forecast for

Boulder CO

Tonight
Low: 59 °F
Slight Chance
T-storms then
Mostly Clear
Thursday
High: 89 °F
Sunny
Thursday Night
Low: 60 °F
Decreasing
Clouds
Friday
High: 90 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 63 °F
Mostly Clear
Saturday
High: 90 °F
Sunny then
Slight Chance
T-storms
Saturday Night
Low: 65 °F
Mostly Cloudy
Sunday
High: 87 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 63 °F
Chance
Showers

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 59. West northwest wind 5 to 9 mph becoming south southwest in the evening.

Thursday

Sunny, with a high near 89. Calm wind becoming east 5 to 8 mph in the afternoon.

Thursday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 60. Calm wind becoming west around 5 mph.

Friday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90. Calm wind becoming east southeast around 6 mph in the afternoon.

Friday Night

Mostly clear, with a low around 63. West wind 3 to 6 mph.

Saturday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90.

Saturday Night

Mostly cloudy, with a low around 65.

Sunday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.

Sunday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 63.

Labor Day

Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 87.