Marianna, PA Weather & Growing Conditions
This Afternoon
85°F
Sunny
Sunny, with a high near 85. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Sunny | 3 mph E | 0% |
| Tonight | 68°F | Partly Cloudy | 3 mph E | 3% |
| Wednesday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph S | 28% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 40% |
| Thursday | 84°F | Showers And Thunderstorms | 2 to 7 mph SW | 78% |
| Thursday Night | 67°F | Showers And Thunderstorms | 5 mph SW | 78% |
| Friday | 84°F | Showers And Thunderstorms | 2 to 8 mph SW | 83% |
| Friday Night | 66°F | Showers And Thunderstorms | 2 to 6 mph SW | 83% |
| Saturday | 83°F | Showers And Thunderstorms Likely | 3 to 8 mph SW | 61% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 6 mph SW | 59% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 24% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 24% |
| Monday | 86°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 32% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 48% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marianna, PA
Last spring frost
May 3
First fall frost
Oct 15
Growing season
164 days
Hardiness zone
6b
Explore more for Marianna, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Waynesburg 1 E, Pa (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.