West Chester, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Chester, a borough in Chester County, Pennsylvania.
This Afternoon
81°F
Mostly Sunny
Mostly sunny, with a high near 81. North wind around 5 mph.
7-day forecast for West Chester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Mostly Sunny | 5 mph N | 0% |
| Tonight | 58°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 74°F | Mostly Sunny | 5 mph E | 2% |
| Saturday Night | 62°F | Patchy Fog | 5 mph SE | 21% |
| Sunday | 76°F | Showers And Thunderstorms | 5 to 10 mph S | 81% |
| Sunday Night | 61°F | Showers And Thunderstorms | 5 mph W | 83% |
| Monday | 69°F | Chance Rain Showers | 5 to 10 mph NE | 41% |
| Monday Night | 56°F | Chance Rain Showers | 5 to 10 mph NE | 33% |
| Tuesday | 62°F | Chance Rain Showers | 10 mph NE | 39% |
| Tuesday Night | 53°F | Chance Rain Showers | 10 mph NE | 39% |
| Wednesday | 61°F | Chance Rain Showers | 10 to 15 mph NE | 38% |
| Wednesday Night | 52°F | Chance Showers And Thunderstorms | 10 mph NE | 39% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 10 mph NE | 37% |
| Thursday Night | 52°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 33% |
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 Sep 19, 2026.