Charter Weather Forecast
- 49
- 71
Mostly Sunny
- 55
- 81
Partly Sunny
- 53
- 80
Slight Chance Thunderstorms
- 52
- 80
Slight Chance Thunderstorms
- 47
- 78
Slight Chance Thunderstorms
- 49
- 77
Mostly Sunny
Today 18 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
Mostly sunny. Highs in the lower 70s.
Tonight 18 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
Mostly clear. Lows in the mid to upper 40s.
Charter Temperature Statistics
September Temperature
Denver - Centennial Airport (13.7 miles)
Lowest 6 September, 2025
45 °FAverage September
67.4 °FHighest 10 September, 2025
89.1 °F
Climate (2020–Present)
Denver - Centennial Airport (13.7 miles)
Average Low 2020–2025
38.8 °FAverage 2020–2025
51.7 °FAverage High 2020–2025
64.9 °F