State Line, PA Weather & Growing Conditions
This Afternoon
71°F
Mostly Sunny
Mostly sunny, with a high near 71. Southeast wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 9 mph SE | 1% |
| Tonight | 51°F | Mostly Clear | 8 mph SE | 1% |
| Wednesday | 74°F | Mostly Sunny | 7 to 16 mph S | 2% |
| Wednesday Night | 62°F | Mostly Cloudy then Rain Showers | 13 mph S | 90% |
| Thursday | 74°F | Rain Showers | 7 to 12 mph S | 76% |
| Thursday Night | 57°F | Chance Rain Showers | 0 to 7 mph W | 46% |
| Friday | 68°F | Chance Rain Showers | 5 mph NW | 46% |
| Friday Night | 46°F | Chance Rain Showers then Partly Cloudy | 3 mph NW | 42% |
| Saturday | 62°F | Mostly Sunny | 3 to 13 mph NW | 12% |
| Saturday Night | 38°F | Partly Cloudy | 5 to 8 mph NW | 12% |
| Sunday | 59°F | Mostly Sunny | 3 to 9 mph W | 8% |
| Sunday Night | 36°F | Partly Cloudy then Slight Chance Rain Showers | 7 mph W | 21% |
| Monday | 60°F | Slight Chance Rain Showers | 7 to 16 mph W | 22% |
| Monday Night | 36°F | Slight Chance Rain Showers | 5 to 9 mph W | 22% |
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 Nov 4, 2026.