Campbelltown, PA Weather & Growing Conditions
Tonight
49°F
Partly Cloudy then Patchy Fog
Patchy fog after 2am. Partly cloudy, with a low around 49. Southeast wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Partly Cloudy then Patchy Fog | 1 to 5 mph SE | 2% |
| Wednesday | 75°F | Patchy Fog then Mostly Sunny | 1 to 13 mph S | 2% |
| Wednesday Night | 59°F | Mostly Cloudy then Rain Showers Likely | 7 to 10 mph S | 61% |
| Thursday | 73°F | Rain Showers | 7 to 12 mph S | 88% |
| Thursday Night | 59°F | Rain Showers Likely | 1 to 6 mph SW | 66% |
| Friday | 70°F | Rain Showers Likely | 3 mph NW | 60% |
| Friday Night | 47°F | Chance Rain Showers | 5 mph NW | 52% |
| Saturday | 64°F | Slight Chance Rain Showers | 5 to 12 mph NW | 16% |
| Saturday Night | 39°F | Slight Chance Rain Showers then Partly Cloudy | 6 to 12 mph NW | 15% |
| Sunday | 60°F | Mostly Sunny | 6 to 10 mph W | 9% |
| Sunday Night | 37°F | Slight Chance Rain Showers | 8 mph W | 21% |
| Monday | 60°F | Slight Chance Rain Showers | 9 to 16 mph W | 22% |
| Monday Night | 36°F | Slight Chance Rain Showers | 6 to 13 mph W | 20% |
| Tuesday | 63°F | Sunny | 8 to 16 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Campbelltown, PA
Last spring frost
Apr 20
First fall frost
Oct 25
Growing season
185 days
Hardiness zone
7a
Explore more for Campbelltown, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Lebanon 2 W, Pa (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.