Fredericktown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fredericktown, a community in Washington County, Pennsylvania.
Today
84°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 84. East wind around 3 mph.
7-day forecast for Fredericktown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Patchy Fog then Sunny | 3 mph E | 0% |
| Tonight | 67°F | Partly Cloudy | 5 mph E | 2% |
| Wednesday | 85°F | Mostly Sunny then Isolated Showers And Thunderstorms | 1 to 5 mph S | 19% |
| Wednesday Night | 68°F | Scattered Showers And Thunderstorms | 5 mph S | 48% |
| Thursday | 84°F | Showers And Thunderstorms | 3 to 7 mph SW | 77% |
| Thursday Night | 68°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph SW | 77% |
| Friday | 83°F | Showers And Thunderstorms | 5 to 8 mph SW | 83% |
| Friday Night | 66°F | Showers And Thunderstorms | 2 to 6 mph SW | 83% |
| Saturday | 82°F | Showers And Thunderstorms Likely | 5 to 8 mph SW | 59% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 6 mph SW | 59% |
| Sunday | 84°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 24% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 24% |
| Monday | 85°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 32% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 48% |
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 Aug 4, 2026.