Harman US

Collingdale, PA Weather & Growing Conditions

Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. Southwest wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 52°F Mostly Clear 0 to 5 mph SW 2%
Wednesday 75°F Patchy Fog then Sunny 5 to 10 mph S 3%
Wednesday Night 60°F Mostly Cloudy 5 mph S 5%
Thursday 74°F Chance Light Rain 5 to 10 mph S 38%
Thursday Night 63°F Light Rain 5 mph S 82%
Friday 69°F Light Rain 5 mph W 82%
Friday Night 54°F Light Rain 5 mph NW 79%
Saturday 66°F Chance Light Rain 5 to 10 mph NW 36%
Saturday Night 44°F Slight Chance Light Rain then Partly Cloudy 5 mph NW 15%
Sunday 61°F Mostly Sunny 5 to 10 mph W 7%
Sunday Night 43°F Partly Cloudy then Slight Chance Light Rain 5 mph W 18%
Monday 60°F Slight Chance Light Rain 10 mph NW 22%
Monday Night 42°F Slight Chance Light Rain 5 to 10 mph W 22%
Tuesday 63°F Sunny 10 to 15 mph W 14%

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

Growing snapshot for Collingdale, PA

Last spring frost
Apr 2
First fall frost
Nov 10
Growing season
224 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Philadelphia Intl Ap, Pa (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.