Exton, PA Weather & Growing Conditions
This Afternoon
76°F
Mostly Sunny
Mostly sunny, with a high near 76. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Mostly Sunny | 5 mph E | 2% |
| Tonight | 59°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 17% |
| Sunday | 75°F | Chance Rain Showers | 5 to 10 mph S | 53% |
| Sunday Night | 57°F | Showers And Thunderstorms | 5 to 10 mph NW | 78% |
| Monday | 68°F | Chance Rain Showers | 5 to 10 mph NE | 27% |
| Monday Night | 51°F | Chance Rain Showers | 5 to 10 mph NE | 38% |
| Tuesday | 62°F | Chance Rain Showers | 10 mph NE | 43% |
| Tuesday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 40% |
| Wednesday | 61°F | Chance Rain Showers | 15 mph NE | 33% |
| Wednesday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Thursday | 62°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Thursday Night | 49°F | Chance Rain Showers | 5 to 10 mph NE | 31% |
| Friday | 65°F | Slight Chance Rain Showers | 10 mph N | 24% |
| Friday Night | 49°F | Slight Chance Rain Showers | 5 to 10 mph N | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Exton, PA
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
174 days
Hardiness zone
7a
Explore more for Exton, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, W Chester 2 Nw, Pa (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.