Pomeroy, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pomeroy, a community in Chester County, Pennsylvania.
This Afternoon
68°F
Mostly Sunny
Mostly sunny, with a high near 68. South wind 5 to 10 mph.
7-day forecast for Pomeroy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Mostly Sunny | 5 to 10 mph S | 2% |
| Tonight | 49°F | Partly Cloudy | 0 to 5 mph S | 3% |
| Wednesday | 72°F | Partly Sunny | 0 to 10 mph S | 2% |
| Wednesday Night | 57°F | Mostly Cloudy | 5 to 10 mph S | 7% |
| Thursday | 71°F | Chance Light Rain | 5 to 10 mph S | 53% |
| Thursday Night | 59°F | Light Rain Likely | 5 mph SW | 69% |
| Friday | 68°F | Light Rain Likely | 0 to 5 mph SW | 72% |
| Friday Night | 52°F | Light Rain Likely | 0 to 5 mph NW | 72% |
| Saturday | 64°F | Slight Chance Light Rain | 5 to 10 mph NW | 16% |
| Saturday Night | 43°F | Slight Chance Light Rain then Partly Cloudy | 5 mph NW | 15% |
| Sunday | 60°F | Mostly Sunny | 5 mph NW | 8% |
| Sunday Night | 42°F | Chance Light Rain | 0 to 5 mph W | 26% |
| Monday | 57°F | Chance Light Rain | 5 to 10 mph NW | 28% |
| Monday Night | 40°F | Chance Light Rain | 5 to 10 mph W | 27% |
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 Nov 3, 2026.