South Pottstown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Pottstown, a community in Chester County, Pennsylvania.
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. Northeast wind around 0 mph.
7-day forecast for South Pottstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 65°F | Mostly Cloudy | 0 mph | 4% |
| Wednesday | 85°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 70% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 44% |
| Thursday | 89°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 10 mph S | 50% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 51% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 49% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 49% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 43% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 43% |
| Sunday | 89°F | Mostly Sunny | 0 to 5 mph W | 12% |
| Sunday Night | 70°F | Mostly Clear | 0 to 5 mph SW | 12% |
| Monday | 90°F | Sunny | 0 to 10 mph W | 14% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for South Pottstown (40.236, -75.663). Updated through the day.
Growing snapshot for South Pottstown
Last spring frost
Apr 11
First fall frost
Nov 1
Growing season
205 days
Hardiness zone
7a
More local growing data for South Pottstown: nearby ZIP 19465 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Glenmoore, Pa (7.4 mi from South Pottstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.