Pomeroy, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pomeroy, a community in Chester County, Pennsylvania.
Today
82°F
Mostly Sunny
Mostly sunny, with a high near 82. Northeast wind 0 to 5 mph.
7-day forecast for Pomeroy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Tonight | 66°F | Mostly Cloudy | 0 mph | 10% |
| Wednesday | 81°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 77% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 5 mph S | 45% |
| Thursday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 38% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 44% |
| Friday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 52% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 52% |
| Saturday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 43% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 43% |
| Sunday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 15% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 15% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph W | 20% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 5 mph W | 20% |
Forecast source: National Weather Service (api.weather.gov) for Pomeroy (39.965, -75.883). Updated through the day.
Growing snapshot for Pomeroy
Last spring frost
Apr 19
First fall frost
Oct 25
Growing season
190 days
Hardiness zone
7a
More local growing data for Pomeroy: nearby ZIP 19367 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Coatesville 2 W, Pa (2 mi from Pomeroy). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.