Boulder Weather Forecast
- 59
- 88
Chance Thunderstorms
- 61
- 88
Chance Thunderstorms
- 64
- 94
Mostly Sunny
- 64
- 96
Mostly Sunny
- 66
- 98
Hot
- 65
- 97
Hot
Today 9 Jul Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
Partly cloudy in the Morning, then mostly cloudy with a chance of Thunderstorms in the afternoon. Highs in the mid to upper 80s. Chance of precipitation 50 percent.
Tonight 9 Jul Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
Partly cloudy. Lows 57 to 63.
Boulder Temperature Statistics
July Temperature
Boulder Municipal Airport (2.5 miles)
Lowest 1 July, 2026
55.4 °FAverage July
75.8 °FHighest 5 July, 2026
96.8 °F
Climate (2021–2026)
Boulder Municipal Airport (2.5 miles)
Average Low 2021–2026
41.2 °FAverage 2021–2026
53.6 °FAverage High 2021–2026
66.2 °F