Campbelltown, PA Weather & Growing Conditions
Overnight
52°F
Partly Cloudy
Partly cloudy, with a low around 52. North wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 76°F | Partly Sunny | 7 mph E | 2% |
| Saturday Night | 60°F | Mostly Cloudy then Rain Showers | 7 to 13 mph SE | 77% |
| Sunday | 74°F | Rain Showers | 8 to 13 mph S | 91% |
| Sunday Night | 55°F | Showers And Thunderstorms | 7 to 12 mph W | 91% |
| Monday | 69°F | Partly Sunny then Slight Chance Rain Showers | 12 mph NE | 16% |
| Monday Night | 50°F | Chance Rain Showers | 8 to 13 mph NE | 40% |
| Tuesday | 61°F | Chance Rain Showers | 14 mph E | 47% |
| Tuesday Night | 48°F | Chance Rain Showers | 13 to 16 mph NE | 44% |
| Wednesday | 62°F | Chance Rain Showers | 16 mph NE | 41% |
| Wednesday Night | 48°F | Chance Rain Showers | 16 mph NE | 35% |
| Thursday | 63°F | Chance Rain Showers | 15 mph NE | 37% |
| Thursday Night | 48°F | Chance Rain Showers | 8 to 14 mph NE | 34% |
| Friday | 67°F | Slight Chance Rain Showers | 13 mph N | 24% |
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 Sep 19, 2026.