Chester, PA Weather & Growing Conditions
This Afternoon
71°F
Partly Sunny
Partly sunny, with a high near 71. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Partly Sunny | 5 mph S | 1% |
| Tonight | 52°F | Partly Cloudy | 0 to 5 mph S | 2% |
| Wednesday | 75°F | Patchy Fog then Sunny | 0 to 10 mph S | 4% |
| Wednesday Night | 60°F | Mostly Cloudy | 5 mph S | 6% |
| Thursday | 74°F | Chance Light Rain | 5 to 10 mph S | 37% |
| Thursday Night | 63°F | Light Rain | 5 mph S | 82% |
| Friday | 70°F | Light Rain | 0 to 5 mph W | 82% |
| Friday Night | 54°F | Light Rain | 0 to 5 mph NW | 78% |
| Saturday | 66°F | Chance Light Rain then Mostly Sunny | 5 to 10 mph NW | 34% |
| Saturday Night | 45°F | Partly Cloudy | 5 mph NW | 14% |
| Sunday | 61°F | Mostly Sunny | 5 mph NW | 6% |
| Sunday Night | 43°F | Slight Chance Light Rain | 5 mph W | 18% |
| Monday | 61°F | Slight Chance Light Rain | 5 to 10 mph W | 22% |
| Monday Night | 42°F | Slight Chance Light Rain | 5 to 10 mph W | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chester, PA
Last spring frost
Mar 30
First fall frost
Nov 16
Growing season
230 days
Hardiness zone
7b
Explore more for Chester, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Marcus Hook, Pa (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.