Marianna, PA Weather & Growing Conditions
Tonight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Partly Cloudy | 5 mph NE | 10% |
| Saturday | 79°F | Partly Sunny | 5 mph E | 5% |
| Saturday Night | 65°F | Partly Cloudy then Showers And Thunderstorms Likely | 2 to 7 mph SE | 58% |
| Sunday | 78°F | Showers And Thunderstorms | 6 to 9 mph SW | 93% |
| Sunday Night | 60°F | Showers And Thunderstorms | 5 to 8 mph N | 93% |
| Monday | 69°F | Chance Rain Showers | 10 mph NE | 45% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 10 mph NE | 67% |
| Tuesday | 66°F | Showers And Thunderstorms | 13 mph E | 75% |
| Tuesday Night | 55°F | Showers And Thunderstorms Likely | 10 to 14 mph E | 70% |
| Wednesday | 64°F | Showers And Thunderstorms Likely | 13 mph E | 66% |
| Wednesday Night | 53°F | Showers And Thunderstorms Likely | 7 to 12 mph E | 56% |
| Thursday | 65°F | Chance Rain Showers | 8 mph E | 41% |
| Thursday Night | 52°F | Chance Rain Showers | 2 to 8 mph NE | 28% |
| Friday | 68°F | Slight Chance Rain Showers | 5 to 8 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marianna, PA
Last spring frost
Apr 24
First fall frost
Oct 23
Growing season
181 days
Hardiness zone
6b
Explore more for Marianna, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Washington 3 Ne, Pa (9.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.