Downingtown Weather Forecast
- 71
- 92
Slight Chance Thunderstorms
- 66
- 83
Partly Sunny
- 70
- 84
Chance Thunderstorms
- 66
- 85
Chance Thunderstorms
- 63
- 83
Partly Sunny
- 65
- 83
Slight Chance Thunderstorms
Today 17 Jul Eastern Chester
Mostly sunny with a slight chance of Showers. A slight chance of Thunderstorms this afternoon. Hot with Highs in the lower 90s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.
Tonight 17 Jul Eastern Chester
Mostly clear with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Humid with Lows in the lower 70s. West Winds 5 to 10 Mph. Chance of rain 20 percent.
Downingtown Temperature Statistics
July Temperature
Chester County Airport (8.7 miles)
Lowest 5 July, 2025
59 °FAverage July
75.7 °FHighest 8 July, 2025
89.6 °F
Climate (2020–Present)
Chester County Airport (8.7 miles)
Average Low 2020–2025
46.2 °FAverage 2020–2025
54.7 °FAverage High 2020–2025
63.1 °F