Hamorton, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hamorton, a community in Chester County, Pennsylvania.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. East wind 0 to 5 mph.
7-day forecast for Hamorton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Tonight | 66°F | Mostly Cloudy | 0 mph | 10% |
| Wednesday | 82°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 81% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms | 5 mph S | 52% |
| Thursday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 23% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 5 mph SW | 32% |
| Friday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 40% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 43% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 38% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 38% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 16% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 16% |
| Monday | 88°F | Sunny | 5 to 10 mph W | 14% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 5 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for Hamorton (39.868, -75.652). Updated through the day.
Growing snapshot for Hamorton
Last spring frost
Apr 7
First fall frost
Nov 4
Growing season
209 days
Hardiness zone
7a
More local growing data for Hamorton: nearby ZIP 19317 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Wilmington Porter Rsch, De (6.9 mi from Hamorton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.