Tionesta, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tionesta, a borough in Forest County, Pennsylvania.
This Afternoon
73°F
Mostly Cloudy
Mostly cloudy, with a high near 73. Southeast wind around 3 mph.
7-day forecast for Tionesta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Cloudy | 3 mph SE | 14% |
| Tonight | 59°F | Showers And Thunderstorms | 3 mph SE | 87% |
| Sunday | 72°F | Showers And Thunderstorms | 5 mph W | 96% |
| Sunday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 6 mph NE | 18% |
| Monday | 66°F | Partly Sunny | 6 mph NE | 9% |
| Monday Night | 46°F | Chance Rain Showers | 7 mph E | 40% |
| Tuesday | 61°F | Chance Rain Showers | 7 mph E | 48% |
| Tuesday Night | 45°F | Chance Rain Showers | 9 mph E | 53% |
| Wednesday | 58°F | Chance Rain Showers | 9 mph E | 53% |
| Wednesday Night | 46°F | Chance Rain Showers | 7 mph SE | 37% |
| Thursday | 64°F | Chance Rain Showers | 6 mph E | 37% |
| Thursday Night | 45°F | Slight Chance Rain Showers then Mostly Cloudy | 3 mph E | 18% |
| Friday | 68°F | Partly Sunny | 5 mph NE | 13% |
| Friday Night | 45°F | Partly Cloudy | 5 mph N | 12% |
Forecast source: National Weather Service (api.weather.gov) for Tionesta (41.498, -79.449). Updated through the day.
Growing snapshot for Tionesta
Last spring frost
May 1
First fall frost
Oct 25
Growing season
176 days
Hardiness zone
6a
More local growing data for Tionesta: nearby ZIP 16370 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Tionesta 2 Se Lake, Pa (5.4 mi from Tionesta). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.