Hamorton, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hamorton, a community in Chester County, Pennsylvania.
This Afternoon
82°F
Mostly Sunny
Mostly sunny, with a high near 82. North wind around 10 mph.
7-day forecast for Hamorton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Mostly Sunny | 10 mph N | 0% |
| Tonight | 59°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 74°F | Mostly Sunny | 5 to 10 mph E | 2% |
| Saturday Night | 62°F | Patchy Fog | 5 mph SE | 18% |
| Sunday | 76°F | Showers And Thunderstorms | 5 to 10 mph S | 79% |
| Sunday Night | 61°F | Showers And Thunderstorms | 5 to 10 mph W | 83% |
| Monday | 70°F | Chance Rain Showers | 5 to 10 mph NE | 42% |
| Monday Night | 56°F | Chance Rain Showers | 5 to 10 mph NE | 33% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 39% |
| Tuesday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 39% |
| Wednesday | 61°F | Chance Rain Showers | 10 to 15 mph NE | 39% |
| Wednesday Night | 52°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 38% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 36% |
| Thursday Night | 52°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 33% |
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 Sep 18, 2026.