Stewartstown, PA Weather & Growing Conditions
This Afternoon
72°F
Partly Sunny
Partly sunny. High near 72, with temperatures falling to around 66 in the afternoon. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Partly Sunny | 10 mph S | 0% |
| Tonight | 59°F | Mostly Cloudy then Chance Rain Showers | 8 to 14 mph S | 42% |
| Thursday | 71°F | Rain Showers then Mostly Cloudy | 8 to 14 mph S | 83% |
| Thursday Night | 57°F | Chance Rain Showers | 3 to 7 mph W | 45% |
| Friday | 67°F | Chance Rain Showers | 5 mph NW | 28% |
| Friday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 12 mph NW | 19% |
| Saturday | 56°F | Mostly Sunny | 12 to 15 mph NW | 11% |
| Saturday Night | 43°F | Partly Cloudy | 12 to 16 mph NW | 11% |
| Sunday | 58°F | Mostly Sunny | 10 to 16 mph NW | 5% |
| Sunday Night | 41°F | Mostly Clear | 9 to 14 mph W | 0% |
| Monday | 58°F | Sunny | 10 to 17 mph W | 0% |
| Monday Night | 40°F | Mostly Clear | 9 mph W | 0% |
| Tuesday | 63°F | Sunny | 9 to 14 mph W | 1% |
| Tuesday Night | 41°F | Mostly Clear | 8 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Stewartstown, PA
Last spring frost
Apr 19
First fall frost
Oct 25
Growing season
188 days
Hardiness zone
7a
Explore more for Stewartstown, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Millers 4 Ne, Md (12 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.