East Petersburg, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for East Petersburg, a borough in Lancaster County, Pennsylvania.
Today
76°F
Partly Sunny
Partly sunny, with a high near 76. East wind around 7 mph.
7-day forecast for East Petersburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Partly Sunny | 7 mph E | 2% |
| Tonight | 60°F | Mostly Cloudy then Rain Showers Likely | 6 to 12 mph SE | 67% |
| Sunday | 75°F | Rain Showers | 8 to 15 mph S | 91% |
| Sunday Night | 57°F | Showers And Thunderstorms | 5 to 12 mph NW | 91% |
| Monday | 69°F | Slight Chance Rain Showers | 12 mph NE | 17% |
| Monday Night | 50°F | Chance Rain Showers | 7 to 13 mph NE | 40% |
| Tuesday | 62°F | Chance Rain Showers | 15 mph NE | 45% |
| Tuesday Night | 49°F | Chance Rain Showers | 13 to 16 mph NE | 42% |
| Wednesday | 62°F | Chance Rain Showers | 18 mph NE | 39% |
| Wednesday Night | 49°F | Chance Rain Showers | 14 to 17 mph NE | 35% |
| Thursday | 64°F | Chance Rain Showers | 14 to 17 mph NE | 35% |
| Thursday Night | 49°F | Chance Rain Showers | 8 to 14 mph NE | 30% |
| Friday | 68°F | Chance Rain Showers | 13 mph N | 25% |
| Friday Night | 49°F | Slight Chance Rain Showers | 8 to 13 mph N | 21% |
Forecast source: National Weather Service (api.weather.gov) for East Petersburg (40.103, -76.350). Updated through the day.
Growing snapshot for East Petersburg
Last spring frost
Apr 18
First fall frost
Oct 25
Growing season
186 days
Hardiness zone
7a
More local growing data for East Petersburg: nearby ZIP 17520 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Adamstown
Akron
Bainbridge
Bird-in-Hand
Blue Ball
Bowmansville
Brickerville
Brownstown
Cambridge
Churchtown
Clay
Columbia
Conestoga
Denver
East Earl
Elizabethtown
Ephrata
Falmouth
Farmersville
Fivepointville
Gap
Georgetown
Goodville
Gordonville
Hinkletown
Hopeland
Intercourse
Kirkwood
Lampeter
Lancaster
Climate data from the nearest NOAA station, Lancaster Ap, Pa (3.3 mi from East Petersburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.