Westwood, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Westwood, a community in Chester County, Pennsylvania.

Today

72°F

Patchy Fog then Mostly Sunny

Patchy fog before 9am. Mostly sunny, with a high near 72. South wind 0 to 10 mph.

7-day forecast for Westwood

When	Temp	Forecast	Wind	Precip
Today	72°F	Patchy Fog then Mostly Sunny	0 to 10 mph S	2%
Tonight	58°F	Mostly Cloudy then Patchy Fog	5 to 10 mph S	5%
Thursday	70°F	Light Rain Likely then Mostly Cloudy	5 to 10 mph S	62%
Thursday Night	59°F	Light Rain	0 to 5 mph SW	81%
Friday	68°F	Light Rain	0 to 5 mph N	81%
Friday Night	48°F	Chance Light Rain	0 to 5 mph NW	53%
Saturday	62°F	Mostly Sunny	5 to 10 mph NW	8%
Saturday Night	41°F	Partly Cloudy	5 to 10 mph W	8%
Sunday	58°F	Mostly Sunny	5 to 10 mph NW	4%
Sunday Night	39°F	Mostly Clear	5 to 10 mph W	4%
Monday	57°F	Sunny	10 to 15 mph W	5%
Monday Night	37°F	Mostly Clear	5 mph W	4%
Tuesday	62°F	Sunny	5 to 10 mph W	3%
Tuesday Night	39°F	Mostly Clear	5 mph W	0%

Forecast source: National Weather Service (api.weather.gov) for Westwood (39.970, -75.855). Updated through the day.

Growing snapshot for Westwood

Last spring frost

Apr 19

First fall frost

Oct 25

Growing season

190 days

Hardiness zone

More local growing data for Westwood: nearby ZIP 19320 weather · frost dates · planting calendar · Pennsylvania frost dates

Nearby towns & communities

Atglen Avondale Berwyn Caln Chadds Ford Chesterbrook Christiana Coatesville Cochranville Devon Downingtown Eagle Eagleview Elverson Exton Frazer Glenmoore Hamorton Hayti Honey Brook Kennett Square Kimberton Lincoln University Lionville Little Britain Malvern Marshallton Modena Nottingham Oxford

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Climate data from the nearest NOAA station, Coatesville 2 W, Pa (2.1 mi from Westwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.