Boulder Weather Forecast
- 64
- 86
Mostly Sunny
- 68
- 83
Mostly Sunny
- 68
- 85
Mostly Sunny
- 65
- 86
Mostly Sunny
- 59
- 79
Mostly Sunny
- 57
- 75
Mostly Sunny
- 57
- 74
Partly Sunny
Today 20 Aug Clinton
Mostly sunny. Highs in the mid 80s. North Winds 5 to 10 Mph.
Tonight 20 Aug Clinton
Mostly clear. Lows in the mid 60s. Northeast Winds 5 to 10 Mph.
Boulder Temperature Statistics
August Temperature
Salem, Salem-Leckrone Airport (14.3 miles)
Lowest 3 August, 2025
60.8 °FAverage August
78.9 °FHighest 15 August, 2025
95.9 °F
Climate (2020–Present)
Salem, Salem-Leckrone Airport (14.3 miles)
Average Low 2020–2025
49.4 °FAverage 2020–2025
58.6 °FAverage High 2020–2025
68 °F