Kennett Square, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kennett Square, a borough in Chester County, Pennsylvania.
This Afternoon
69°F
Mostly Sunny
Mostly sunny, with a high near 69. South wind around 5 mph.
7-day forecast for Kennett Square
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Sunny | 5 mph S | 2% |
| Tonight | 48°F | Partly Cloudy | 0 to 5 mph S | 3% |
| Wednesday | 72°F | Patchy Fog then Partly Sunny | 0 to 5 mph S | 2% |
| Wednesday Night | 56°F | Mostly Cloudy | 5 mph S | 3% |
| Thursday | 72°F | Chance Light Rain | 5 to 10 mph S | 41% |
| Thursday Night | 59°F | Chance Light Rain then Chance T-storms | 0 to 5 mph SW | 70% |
| Friday | 69°F | Light Rain | 5 mph SW | 76% |
| Friday Night | 51°F | Light Rain | 0 to 5 mph NW | 76% |
| Saturday | 65°F | Slight Chance Light Rain | 5 mph NW | 21% |
| Saturday Night | 43°F | Slight Chance Light Rain then Partly Cloudy | 5 mph NW | 15% |
| Sunday | 61°F | Mostly Sunny | 5 mph NW | 9% |
| Sunday Night | 42°F | Chance Light Rain | 0 to 5 mph W | 25% |
| Monday | 58°F | Chance Light Rain | 5 to 10 mph NW | 30% |
| Monday Night | 39°F | Chance Light Rain | 5 to 10 mph NW | 30% |
Forecast source: National Weather Service (api.weather.gov) for Kennett Square (39.844, -75.711). Updated through the day.
Growing snapshot for Kennett Square
Last spring frost
Apr 19
First fall frost
Oct 26
Growing season
189 days
Hardiness zone
7a
More local growing data for Kennett Square: nearby ZIP 19348 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Avondale 2 N, Pa (3.5 mi from Kennett Square). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.