Willow Brook Weather Forecast
- 49
- 74
Sunny
- 50
- 76
Sunny
- 53
- 78
Mostly Sunny
- 53
- 79
Partly Sunny
- 57
- 84
Mostly Sunny
- 54
- 82
Mostly Sunny
- 54
- 80
Partly Sunny
Today 7 Sep Frederick
Sunny. Highs in the lower 70s. Northwest Winds 5 to 10 Mph.
Tonight 7 Sep Frederick
Mostly clear. Lows in the upper 40s. North Winds 5 to 10 Mph.
Willow Brook Temperature Statistics
September Temperature
Frederick Municipal Airport (3.7 miles)
Lowest 1 September, 2025
50 °FAverage September
62.6 °FHighest 5 September, 2025
87.8 °F
Climate (2020–Present)
Frederick Municipal Airport (3.7 miles)
Average Low 2020–2025
46.6 °FAverage 2020–2025
54.9 °FAverage High 2020–2025
67.6 °F