Middletown Weather Forecast
- 70
- 90
Slight Chance Rain Showers
- 65
- 87
Rain Showers
- 64
- 81
Mostly Cloudy
- 66
- 81
Rain Showers Likely
- 64
- 86
Slight Chance Thunderstorms
- 64
- 86
Partly Sunny
- 67
- 88
Slight Chance Thunderstorms
Today 9 Sep Frederick
Partly sunny with isolated Showers. Highs in the upper 80s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.
Tonight 9 Sep Frederick
Mostly clear in the Evening, then becoming partly cloudy. Isolated Showers. Lows around 70. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.
Middletown Temperature Statistics
September Temperature
Front Royal-warren County Airport (7.5 miles)
Lowest 7 September, 2026
56.1 °FAverage September
77.2 °FHighest 2 September, 2026
95.4 °F
Climate (2021–2026)
Front Royal-warren County Airport (7.5 miles)
Average Low 2021–2026
46.2 °FAverage 2021–2026
56.2 °FAverage High 2021–2026
66.6 °F