Chester, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chester, a city in Delaware County, Pennsylvania.
Today
71°F
Mostly Sunny
Mostly sunny, with a high near 71. South wind 0 to 5 mph.
7-day forecast for Chester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Mostly Sunny | 0 to 5 mph S | 2% |
| Tonight | 51°F | Partly Cloudy then Patchy Fog | 0 to 5 mph S | 3% |
| Wednesday | 74°F | Patchy Fog then Partly Sunny | 0 to 5 mph S | 2% |
| Wednesday Night | 59°F | Mostly Cloudy | 5 mph S | 2% |
| Thursday | 74°F | Chance Light Rain | 5 to 10 mph S | 36% |
| Thursday Night | 62°F | Chance Light Rain then Chance T-storms | 0 to 5 mph S | 72% |
| Friday | 71°F | Light Rain | 0 to 5 mph SW | 78% |
| Friday Night | 55°F | Light Rain | 0 to 5 mph W | 78% |
| Saturday | 67°F | Chance Light Rain | 5 mph NW | 28% |
| Saturday Night | 46°F | Slight Chance Light Rain then Partly Cloudy | 5 mph NW | 17% |
| Sunday | 63°F | Mostly Sunny | 5 mph NW | 9% |
| Sunday Night | 45°F | Partly Cloudy then Slight Chance Light Rain | 0 to 5 mph W | 23% |
| Monday | 60°F | Chance Light Rain | 5 to 10 mph NW | 33% |
| Monday Night | 43°F | Chance Light Rain | 5 to 10 mph W | 33% |
Forecast source: National Weather Service (api.weather.gov) for Chester (39.846, -75.372). Updated through the day.
Growing snapshot for Chester
Last spring frost
Mar 30
First fall frost
Nov 16
Growing season
230 days
Hardiness zone
7b
More local growing data for Chester: nearby ZIP 19013 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
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Boothwyn
Brookhaven
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Chester Heights
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East Lansdowne
Eddystone
Folcroft
Folsom
Glenolden
Haverford College
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Marcus Hook
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Parkside
Prospect Park
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Climate data from the nearest NOAA station, Marcus Hook, Pa (3.2 mi from Chester). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.