Atglen, PA Weather & Growing Conditions
Today
75°F
Mostly Sunny
Mostly sunny, with a high near 75. East wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 5 to 10 mph E | 2% |
| Tonight | 59°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph SE | 16% |
| Sunday | 75°F | Chance Rain Showers | 5 to 15 mph S | 52% |
| Sunday Night | 56°F | Showers And Thunderstorms | 5 to 10 mph W | 80% |
| Monday | 67°F | Chance Rain Showers | 10 mph NE | 28% |
| Monday Night | 50°F | Chance Rain Showers | 5 to 10 mph NE | 39% |
| Tuesday | 61°F | Chance Rain Showers | 10 to 15 mph NE | 44% |
| Tuesday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 41% |
| Wednesday | 60°F | Chance Rain Showers | 15 mph NE | 36% |
| Wednesday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 35% |
| Thursday | 61°F | Chance Rain Showers | 15 mph NE | 35% |
| Thursday Night | 48°F | Chance Rain Showers | 5 to 15 mph NE | 30% |
| Friday | 65°F | Slight Chance Rain Showers | 10 mph N | 23% |
| Friday Night | 48°F | Slight Chance Rain Showers | 5 to 10 mph N | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Atglen, PA
Last spring frost
Apr 19
First fall frost
Oct 25
Growing season
190 days
Hardiness zone
7a
Explore more for Atglen, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Coatesville 2 W, Pa (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.