Marion, PA Weather & Growing Conditions
Tonight
51°F
Mostly Clear
Mostly clear, with a low around 51. Southeast wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Clear | 6 mph SE | 1% |
| Wednesday | 75°F | Mostly Sunny | 3 to 14 mph S | 2% |
| Wednesday Night | 62°F | Mostly Cloudy then Rain Showers | 12 mph S | 90% |
| Thursday | 75°F | Rain Showers | 5 to 12 mph S | 76% |
| Thursday Night | 57°F | Chance Rain Showers | 1 to 5 mph W | 41% |
| Friday | 70°F | Chance Rain Showers | 3 mph NW | 45% |
| Friday Night | 46°F | Chance Rain Showers then Partly Cloudy | 3 mph NW | 42% |
| Saturday | 63°F | Mostly Sunny | 3 to 12 mph NW | 13% |
| Saturday Night | 37°F | Partly Cloudy | 3 to 8 mph NW | 13% |
| Sunday | 60°F | Mostly Sunny | 3 to 8 mph W | 8% |
| Sunday Night | 35°F | Partly Cloudy then Slight Chance Rain Showers | 7 mph W | 21% |
| Monday | 60°F | Slight Chance Rain Showers | 7 to 15 mph NW | 22% |
| Monday Night | 35°F | Slight Chance Rain Showers | 5 to 9 mph W | 22% |
| Tuesday | 64°F | Sunny | 6 to 14 mph W | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marion, PA
Last spring frost
Apr 18
First fall frost
Oct 25
Growing season
188 days
Hardiness zone
7a
Explore more for Marion, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Chambersburg 1 Ese, Pa (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.