Farmington, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Farmington, a community in Fayette County, Pennsylvania.
Today
84°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 84. Southeast wind around 3 mph.
7-day forecast for Farmington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Patchy Fog then Sunny | 3 mph SE | 0% |
| Tonight | 63°F | Partly Cloudy then Patchy Fog | 1 to 5 mph SE | 1% |
| Wednesday | 83°F | Patchy Fog then Scattered Showers And Thunderstorms | 2 mph SE | 34% |
| Wednesday Night | 66°F | Scattered Showers And Thunderstorms | 2 mph SE | 46% |
| Thursday | 83°F | Showers And Thunderstorms | 2 to 6 mph SW | 82% |
| Thursday Night | 65°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph SW | 82% |
| Friday | 82°F | Showers And Thunderstorms | 5 mph SW | 85% |
| Friday Night | 64°F | Showers And Thunderstorms | 3 mph SW | 85% |
| Saturday | 82°F | Showers And Thunderstorms Likely | 6 mph SW | 69% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph SW | 69% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 30% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 5 mph SW | 30% |
| Monday | 84°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 8 mph SW | 40% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 47% |
Forecast source: National Weather Service (api.weather.gov) for Farmington (39.808, -79.563). Updated through the day.
Growing snapshot for Farmington
Last spring frost
May 19
First fall frost
Oct 1
Growing season
135 days
Hardiness zone
6a
More local growing data for Farmington: nearby ZIP 15437 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Chalk Hill 2 Ene, Pa (3.7 mi from Farmington). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.