Pottstown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pottstown, a borough in Montgomery County, Pennsylvania.
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. Northeast wind around 0 mph.
7-day forecast for 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 | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 69% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 47% |
| Thursday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 10 mph S | 52% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 52% |
| 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 NW | 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 | 91°F | Sunny | 0 to 10 mph W | 14% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for Pottstown (40.251, -75.645). Updated through the day.
Growing snapshot for Pottstown
Last spring frost
Apr 20
First fall frost
Oct 23
Growing season
186 days
Hardiness zone
7a
More local growing data for Pottstown: nearby ZIP 19464 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Pottstown Limerick Ap, Pa (3.4 mi from Pottstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.