Fredericktown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fredericktown, a community in Washington County, Pennsylvania.
This Afternoon
76°F
Sunny
Sunny, with a high near 76. South wind around 3 mph.
7-day forecast for Fredericktown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 3 mph S | 1% |
| Tonight | 52°F | Mostly Clear | 2 to 6 mph SE | 2% |
| Wednesday | 76°F | Partly Sunny | 3 to 8 mph SE | 10% |
| Wednesday Night | 60°F | Light Rain | 10 mph S | 98% |
| Thursday | 70°F | Chance Light Rain | 7 to 12 mph SW | 30% |
| Thursday Night | 49°F | Mostly Cloudy | 2 to 6 mph SW | 10% |
| Friday | 66°F | Partly Sunny | 2 to 7 mph W | 14% |
| Friday Night | 44°F | Chance Light Rain | 5 mph NW | 26% |
| Saturday | 56°F | Chance Light Rain | 5 to 10 mph W | 29% |
| Saturday Night | 37°F | Chance Light Rain then Mostly Cloudy | 2 to 7 mph W | 27% |
| Sunday | 55°F | Partly Sunny | 3 to 9 mph SW | 14% |
| Sunday Night | 35°F | Chance Light Rain | 8 mph SW | 25% |
| Monday | 56°F | Chance Light Rain | 7 to 14 mph W | 29% |
| Monday Night | 36°F | Chance Light Rain then Partly Cloudy | 7 to 10 mph SW | 29% |
Forecast source: National Weather Service (api.weather.gov) for Fredericktown (40.002, -80.009). Updated through the day.
Growing snapshot for Fredericktown
Last spring frost
May 3
First fall frost
Oct 15
Growing season
164 days
Hardiness zone
6b
More local growing data for Fredericktown: nearby ZIP 15348 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Waynesburg 1 E, Pa (10.8 mi from Fredericktown). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.