Campbelltown, PA Weather & Growing Conditions
Overnight
48°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 48. Southeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Patchy Fog | 1 mph SE | 0% |
| Wednesday | 75°F | Patchy Fog then Mostly Sunny | 1 to 13 mph S | 1% |
| Wednesday Night | 59°F | Mostly Cloudy then Chance Light Rain | 8 to 12 mph S | 48% |
| Thursday | 73°F | Light Rain | 8 to 13 mph S | 86% |
| Thursday Night | 57°F | Light Rain Likely | 1 to 7 mph W | 56% |
| Friday | 69°F | Chance Light Rain | 3 mph NW | 34% |
| Friday Night | 47°F | Slight Chance Light Rain then Partly Cloudy | 2 to 6 mph NW | 24% |
| Saturday | 62°F | Mostly Sunny | 6 to 15 mph NW | 13% |
| Saturday Night | 40°F | Partly Cloudy | 10 to 14 mph W | 11% |
| Sunday | 59°F | Mostly Sunny | 13 mph NW | 5% |
| Sunday Night | 37°F | Mostly Clear | 9 mph W | 4% |
| Monday | 58°F | Sunny | 9 to 16 mph W | 4% |
| Monday Night | 36°F | Mostly Clear | 5 to 12 mph W | 3% |
| Tuesday | 63°F | Sunny | 6 to 14 mph W | 2% |
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 (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.