South Coatesville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Coatesville, a borough in Chester County, Pennsylvania.
Today
72°F
Sunny
Sunny, with a high near 72. South wind 5 to 10 mph.
7-day forecast for South Coatesville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Sunny | 5 to 10 mph S | 2% |
| Tonight | 57°F | Mostly Cloudy | 5 to 10 mph S | 4% |
| Thursday | 70°F | Light Rain Likely | 5 to 10 mph S | 61% |
| Thursday Night | 59°F | Light Rain | 0 to 5 mph SW | 81% |
| Friday | 68°F | Light Rain | 0 to 5 mph N | 81% |
| Friday Night | 48°F | Light Rain Likely | 0 to 5 mph NW | 55% |
| Saturday | 62°F | Mostly Sunny | 5 to 10 mph NW | 8% |
| Saturday Night | 41°F | Partly Cloudy | 5 to 10 mph W | 8% |
| Sunday | 58°F | Mostly Sunny | 5 to 10 mph NW | 4% |
| Sunday Night | 38°F | Mostly Clear | 5 to 10 mph W | 4% |
| Monday | 57°F | Sunny | 10 mph W | 5% |
| Monday Night | 37°F | Mostly Clear | 5 mph W | 4% |
| Tuesday | 62°F | Sunny | 5 to 10 mph W | 3% |
| Tuesday Night | 39°F | Mostly Clear | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for South Coatesville (39.972, -75.812). Updated through the day.
Growing snapshot for South Coatesville
Last spring frost
Apr 19
First fall frost
Oct 25
Growing season
190 days
Hardiness zone
7a
More local growing data for South Coatesville: nearby ZIP 19358 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Coatesville 2 W, Pa (3.1 mi from South Coatesville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.