Harman US

East Petersburg, PA Weather & Growing Conditions

This Afternoon
75°F
Mostly Sunny
Mostly sunny, with a high near 75. South wind around 13 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 75°F Mostly Sunny 13 mph S 1%
Tonight 59°F Mostly Cloudy then Slight Chance Light Rain 7 to 12 mph S 18%
Thursday 74°F Light Rain 8 to 13 mph S 78%
Thursday Night 58°F Light Rain Likely 2 to 7 mph SW 64%
Friday 70°F Light Rain Likely 3 mph N 64%
Friday Night 47°F Chance Light Rain then Partly Cloudy 2 to 6 mph NW 30%
Saturday 62°F Mostly Sunny 6 to 14 mph NW 10%
Saturday Night 40°F Partly Cloudy 13 mph W 10%
Sunday 60°F Mostly Sunny 9 to 13 mph NW 4%
Sunday Night 38°F Mostly Clear 10 mph W 4%
Monday 60°F Sunny 10 to 17 mph W 5%
Monday Night 36°F Mostly Clear 5 to 12 mph W 4%
Tuesday 64°F Sunny 6 to 14 mph W 2%
Tuesday Night 37°F Mostly Clear 6 to 9 mph W 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for East Petersburg, PA

Last spring frost
Apr 18
First fall frost
Oct 25
Growing season
186 days
Hardiness zone
7a

Explore more for East Petersburg, PA: full frost dates · planting calendar · Pennsylvania frost dates

Climate data from the nearest NOAA station, Lancaster Ap, Pa (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.