State Line, PA Weather & Growing Conditions
Tonight
56°F
Mostly Clear
Mostly clear, with a low around 56. North wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Mostly Clear | 8 mph N | 0% |
| Saturday | 76°F | Mostly Sunny | 3 to 8 mph E | 2% |
| Saturday Night | 65°F | Chance Rain Showers | 7 to 12 mph SE | 31% |
| Sunday | 79°F | Showers And Thunderstorms | 8 to 12 mph S | 83% |
| Sunday Night | 61°F | Showers And Thunderstorms | 6 to 12 mph NW | 83% |
| Monday | 69°F | Chance Rain Showers | 12 mph NE | 40% |
| Monday Night | 57°F | Rain Showers Likely | 7 to 10 mph NE | 60% |
| Tuesday | 61°F | Showers And Thunderstorms | 12 mph NE | 75% |
| Tuesday Night | 52°F | Showers And Thunderstorms | 12 mph NE | 75% |
| Wednesday | 59°F | Rain Showers Likely | 12 mph NE | 58% |
| Wednesday Night | 52°F | Showers And Thunderstorms Likely | 10 mph NE | 55% |
| Thursday | 61°F | Chance Showers And Thunderstorms | 10 mph NE | 51% |
| Thursday Night | 52°F | Chance Rain Showers | 7 mph N | 36% |
| Friday | 67°F | Chance Rain Showers | 8 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for State Line, PA
Last spring frost
Apr 7
First fall frost
Nov 4
Growing season
209 days
Hardiness zone
7b
Explore more for State Line, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Hagerstown Washington Co Ap, Md (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.