Farmington, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Farmington, a community in Fayette County, Pennsylvania.
Today
78°F
Partly Sunny
Partly sunny, with a high near 78. Southeast wind around 3 mph.
7-day forecast for Farmington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Partly Sunny | 3 mph SE | 3% |
| Tonight | 60°F | Partly Cloudy then Chance Rain Showers | 5 mph SE | 27% |
| Sunday | 77°F | Showers And Thunderstorms | 3 to 7 mph SW | 94% |
| Sunday Night | 55°F | Showers And Thunderstorms | 3 mph N | 75% |
| Monday | 68°F | Chance Rain Showers | 6 mph E | 45% |
| Monday Night | 50°F | Showers And Thunderstorms | 8 mph E | 77% |
| Tuesday | 62°F | Showers And Thunderstorms | 8 to 12 mph SE | 77% |
| Tuesday Night | 47°F | Showers And Thunderstorms Likely | 14 mph E | 63% |
| Wednesday | 58°F | Rain Showers Likely | 13 mph SE | 63% |
| Wednesday Night | 48°F | Showers And Thunderstorms Likely | 12 mph SE | 55% |
| Thursday | 63°F | Chance Rain Showers | 8 mph SE | 52% |
| Thursday Night | 46°F | Chance Showers And Thunderstorms | 2 to 6 mph E | 39% |
| Friday | 66°F | Partly Sunny then Chance Rain Showers | 5 mph NE | 27% |
| Friday Night | 46°F | Chance Rain Showers then Partly Cloudy | 1 to 5 mph NE | 27% |
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 Sep 19, 2026.