Marianna, PA Weather & Growing Conditions
This Afternoon
78°F
Slight Chance Light Rain
A slight chance of rain after 3pm. Partly sunny, with a high near 78. South wind 7 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Slight Chance Light Rain | 7 to 10 mph S | 19% |
| Tonight | 59°F | Light Rain | 10 mph S | 81% |
| Thursday | 69°F | Chance Light Rain then Partly Sunny | 7 to 13 mph SW | 28% |
| Thursday Night | 46°F | Partly Cloudy | 2 to 6 mph SW | 0% |
| Friday | 63°F | Slight Chance Light Rain | 3 to 10 mph W | 17% |
| Friday Night | 37°F | Slight Chance Light Rain | 3 to 7 mph W | 18% |
| Saturday | 51°F | Mostly Cloudy then Slight Chance Light Rain | 7 to 12 mph W | 16% |
| Saturday Night | 33°F | Slight Chance Light Rain then Mostly Cloudy | 5 to 9 mph W | 16% |
| Sunday | 55°F | Partly Sunny | 6 to 13 mph W | 0% |
| Sunday Night | 32°F | Mostly Clear | 7 to 10 mph W | 1% |
| Monday | 57°F | Mostly Sunny | 7 to 13 mph W | 0% |
| Monday Night | 34°F | Mostly Clear | 6 to 9 mph SW | 1% |
| Tuesday | 62°F | Sunny | 9 to 14 mph SW | 0% |
| Tuesday Night | 34°F | Mostly Clear | 2 to 7 mph W | 1% |
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 Nov 4, 2026.