Harman US

Philadelphia, PA Weather & Growing Conditions

Tonight
52°F
Partly Cloudy
Partly cloudy, with a low around 52. South wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 52°F Partly Cloudy 0 to 5 mph S 2%
Wednesday 75°F Patchy Fog then Sunny 0 to 10 mph S 3%
Wednesday Night 60°F Mostly Cloudy 5 mph S 4%
Thursday 74°F Chance Light Rain 5 to 10 mph S 37%
Thursday Night 63°F Light Rain 5 mph S 83%
Friday 70°F Light Rain 5 mph W 83%
Friday Night 54°F Light Rain 0 to 5 mph NW 80%
Saturday 66°F Chance Light Rain 5 to 10 mph NW 38%
Saturday Night 44°F Slight Chance Light Rain then Partly Cloudy 5 mph NW 16%
Sunday 61°F Mostly Sunny 5 mph W 8%
Sunday Night 43°F Partly Cloudy then Slight Chance Light Rain 5 mph W 18%
Monday 61°F Slight Chance Light Rain 5 to 10 mph NW 22%
Monday Night 42°F Slight Chance Light Rain 5 to 10 mph W 22%
Tuesday 63°F Sunny 5 to 15 mph W 14%

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

Growing snapshot for Philadelphia, PA

Last spring frost
Mar 30
First fall frost
Nov 17
Growing season
232 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Phila Franklin Inst, Pa (0.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.