Chester, PA Weather & Growing Conditions
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 5 mph E | 0% |
| Tonight | 69°F | Mostly Cloudy | 0 to 5 mph E | 8% |
| Wednesday | 85°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 72% |
| Wednesday Night | 73°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph S | 60% |
| Thursday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 21% |
| Thursday Night | 75°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 26% |
| Friday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 36% |
| Friday Night | 74°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 43% |
| Saturday | 89°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 36% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 36% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 17% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 17% |
| Monday | 91°F | Sunny | 5 to 10 mph W | 10% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 5 mph W | 15% |
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 Aug 4, 2026.