Harman US

Penn Hills, PA Weather & Growing Conditions

Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. South wind 2 to 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 52°F Mostly Clear 2 to 6 mph S 1%
Wednesday 78°F Partly Sunny 3 to 10 mph S 11%
Wednesday Night 60°F Light Rain 12 mph S 95%
Thursday 69°F Chance Light Rain then Partly Sunny 8 to 14 mph SW 42%
Thursday Night 47°F Partly Cloudy 3 to 7 mph SW 1%
Friday 63°F Partly Sunny then Slight Chance Light Rain 3 to 9 mph SW 20%
Friday Night 42°F Chance Light Rain 6 to 9 mph W 33%
Saturday 56°F Chance Light Rain 8 to 14 mph W 29%
Saturday Night 37°F Chance Light Rain then Mostly Cloudy 5 to 10 mph W 25%
Sunday 56°F Partly Sunny then Slight Chance Light Rain 5 to 12 mph SW 17%
Sunday Night 36°F Slight Chance Light Rain 12 mph W 20%
Monday 56°F Chance Light Rain 12 to 17 mph W 31%
Monday Night 37°F Chance Light Rain then Partly Cloudy 10 to 14 mph SW 31%
Tuesday 60°F Mostly Sunny 14 to 20 mph SW 9%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Penn Hills, PA

Last spring frost
Apr 16
First fall frost
Nov 1
Growing season
197 days
Hardiness zone
6b

Explore more for Penn Hills, PA: full frost dates · planting calendar · Pennsylvania frost dates

Climate data from the nearest NOAA station, Acmetonia Lock 3, Pa (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.