West Chester, PA Weather & Growing Conditions
This Afternoon
69°F
Mostly Sunny
Mostly sunny, with a high near 69. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Sunny | 5 mph S | 2% |
| Tonight | 48°F | Patchy Fog | 0 to 5 mph S | 3% |
| Wednesday | 73°F | Patchy Fog then Partly Sunny | 0 to 5 mph S | 2% |
| Wednesday Night | 57°F | Mostly Cloudy | 5 mph S | 3% |
| Thursday | 72°F | Chance Light Rain | 5 to 10 mph S | 43% |
| Thursday Night | 59°F | Chance Light Rain then Chance T-storms | 0 to 5 mph SW | 69% |
| Friday | 70°F | Light Rain | 0 to 5 mph SW | 76% |
| Friday Night | 50°F | Light Rain | 0 to 5 mph NW | 76% |
| Saturday | 66°F | Slight Chance Light Rain | 5 mph NW | 22% |
| Saturday Night | 42°F | Slight Chance Light Rain then Partly Cloudy | 5 mph NW | 15% |
| Sunday | 61°F | Mostly Sunny | 5 mph NW | 9% |
| Sunday Night | 40°F | Chance Light Rain | 0 to 5 mph W | 25% |
| Monday | 58°F | Chance Light Rain | 5 to 10 mph NW | 31% |
| Monday Night | 38°F | Chance Light Rain | 5 to 10 mph NW | 31% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for West Chester, PA
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
174 days
Hardiness zone
7a
Explore more for West Chester, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, W Chester 2 Nw, Pa (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.