Willow Grove Weather Forecast
- 64
- 81
Thunderstorms
- 66
- 79
Rain Showers Likely
- 66
- 79
Rain Showers Likely
- 64
- 83
Chance Rain Showers
- 62
- 80
Mostly Sunny
- 63
- 81
Mostly Sunny
Today 20 Aug Eastern Montgomery
Mostly sunny with a slight chance of Showers and Thunderstorms this Morning, then mostly cloudy with Showers and Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds and heavy rainfall this afternoon. Highs in the lower 80s. Temperature falling into the mid 70s this afternoon. North Winds around 5 Mph, becoming east around 5 Mph this afternoon. Chance of rain 90 percent.
Tonight 20 Aug Eastern Montgomery
Mostly cloudy. Showers and Thunderstorms likely in the evening. Some Thunderstorms may produce gusty Winds and heavy rainfall in the evening. Humid with Lows in the lower 60s. North Winds 5 to 10 Mph. Chance of rain 70 percent.
Willow Grove Temperature Statistics
August Temperature
Philadelphia, Northeast Philadelphia Airport (6.8 miles)
Lowest 4 August, 2026
66 °FAverage August
78.6 °FHighest 7 August, 2026
91.9 °F
Climate (2021–2026)
Philadelphia, Northeast Philadelphia Airport (6.8 miles)
Average Low 2021–2026
48.3 °FAverage 2021–2026
57.5 °FAverage High 2021–2026
66.4 °F