West Chester, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Chester, a borough in Chester County, Pennsylvania.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Northeast wind 0 to 5 mph.
7-day forecast for West Chester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Tonight | 66°F | Mostly Cloudy | 0 mph | 9% |
| Wednesday | 83°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 73% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms | 5 mph S | 53% |
| Thursday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 25% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 5 mph SW | 35% |
| Friday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 42% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 43% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 38% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 38% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 15% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SW | 15% |
| Monday | 88°F | Sunny | 5 to 10 mph W | 13% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 5 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for West Chester (39.960, -75.605). Updated through the day.
Growing snapshot for West Chester
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
174 days
Hardiness zone
7a
More local growing data for West Chester: nearby ZIP 19383 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, W Chester 2 Nw, Pa (2.8 mi from West Chester). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.