Harman US

Chester Heights, PA Weather & Growing Conditions

This Afternoon
73°F
Mostly Sunny
Mostly sunny, with a high near 73. South wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 73°F Mostly Sunny 5 mph S 2%
Tonight 59°F Mostly Cloudy 5 mph S 1%
Thursday 72°F Chance Light Rain 5 to 10 mph S 54%
Thursday Night 61°F Light Rain 0 to 5 mph SW 84%
Friday 69°F Light Rain 0 to 5 mph N 84%
Friday Night 51°F Light Rain 0 to 5 mph NW 75%
Saturday 63°F Mostly Sunny 5 to 10 mph NW 5%
Saturday Night 43°F Partly Cloudy 5 to 10 mph W 7%
Sunday 59°F Mostly Sunny 5 to 10 mph NW 5%
Sunday Night 41°F Mostly Clear 5 mph W 7%
Monday 58°F Sunny 5 to 10 mph W 7%
Monday Night 40°F Mostly Clear 5 mph W 4%
Tuesday 62°F Sunny 5 to 10 mph SW 3%
Tuesday Night 41°F Mostly Clear 5 mph W 0%

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

Growing snapshot for Chester Heights, PA

Last spring frost
Mar 30
First fall frost
Nov 16
Growing season
230 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Marcus Hook, Pa (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.