Fredericktown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fredericktown, a community in Washington County, Pennsylvania.
Today
80°F
Partly Sunny
Partly sunny, with a high near 80. East wind around 3 mph.
7-day forecast for Fredericktown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Partly Sunny | 3 mph E | 3% |
| Tonight | 64°F | Chance Rain Showers | 3 to 7 mph SE | 51% |
| Sunday | 78°F | Showers And Thunderstorms | 6 to 9 mph SW | 94% |
| Sunday Night | 57°F | Showers And Thunderstorms | 6 to 12 mph N | 95% |
| Monday | 67°F | Chance Rain Showers | 10 mph NE | 41% |
| Monday Night | 55°F | Showers And Thunderstorms Likely | 10 mph NE | 73% |
| Tuesday | 64°F | Showers And Thunderstorms Likely | 12 mph E | 73% |
| Tuesday Night | 52°F | Showers And Thunderstorms Likely | 9 to 13 mph E | 66% |
| Wednesday | 62°F | Rain Showers Likely | 12 mph E | 65% |
| Wednesday Night | 51°F | Showers And Thunderstorms Likely | 5 to 12 mph E | 58% |
| Thursday | 66°F | Rain Showers Likely | 6 to 9 mph E | 56% |
| Thursday Night | 50°F | Chance Showers And Thunderstorms | 3 to 8 mph NE | 39% |
| Friday | 67°F | Partly Sunny then Slight Chance Rain Showers | 3 to 8 mph NE | 22% |
| Friday Night | 49°F | Slight Chance Rain Showers then Partly Cloudy | 3 to 8 mph NE | 22% |
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 Sep 19, 2026.