Fredonia, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fredonia, a borough in Mercer County, Pennsylvania.
This Afternoon
76°F
Sunny
Sunny, with a high near 76. South wind 6 to 12 mph, with gusts as high as 23 mph.
7-day forecast for Fredonia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 6 to 12 mph S | 1% |
| Tonight | 55°F | Mostly Clear | 6 to 9 mph SE | 3% |
| Wednesday | 74°F | Partly Sunny then Slight Chance Light Rain | 8 to 14 mph S | 22% |
| Wednesday Night | 58°F | Light Rain | 9 to 15 mph S | 100% |
| Thursday | 67°F | Chance Light Rain then Mostly Sunny | 8 to 15 mph SW | 32% |
| Thursday Night | 45°F | Partly Cloudy | 2 to 6 mph SW | 2% |
| Friday | 62°F | Partly Sunny then Slight Chance Light Rain | 2 to 7 mph W | 20% |
| Friday Night | 42°F | Chance Light Rain | 3 to 7 mph NW | 36% |
| Saturday | 53°F | Chance Light Rain | 7 to 12 mph W | 36% |
| Saturday Night | 35°F | Chance Light Rain | 3 to 8 mph W | 36% |
| Sunday | 53°F | Partly Sunny then Slight Chance Light Rain | 5 to 10 mph SW | 21% |
| Sunday Night | 33°F | Slight Chance Light Rain | 8 mph W | 24% |
| Monday | 55°F | Chance Light Rain | 8 to 14 mph W | 34% |
| Monday Night | 35°F | Chance Light Rain | 7 to 10 mph SW | 34% |
Forecast source: National Weather Service (api.weather.gov) for Fredonia (41.322, -80.258). Updated through the day.
Growing snapshot for Fredonia
Last spring frost
May 15
First fall frost
Oct 3
Growing season
140 days
Hardiness zone
6a
More local growing data for Fredonia: nearby ZIP 16124 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Clark
Farrell
Greenville
Grove City
Hermitage
Jackson Center
Lake Latonka
Mercer
New Lebanon
Reynolds Heights
Sandy Lake
Sharon
Sharpsville
Sheakleyville
Stoneboro
West Middlesex
Wheatland
Climate data from the nearest NOAA station, Mercer, Pa (7.7 mi from Fredonia). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.