Farrell, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Farrell, a city in Mercer County, Pennsylvania.
This Afternoon
75°F
Mostly Sunny
Mostly sunny, with a high near 75. North wind around 8 mph.
7-day forecast for Farrell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Mostly Sunny | 8 mph N | 4% |
| Tonight | 56°F | Partly Cloudy | 2 to 8 mph NE | 4% |
| Saturday | 76°F | Partly Sunny then Slight Chance Rain Showers | 5 mph E | 22% |
| Saturday Night | 63°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SE | 78% |
| Sunday | 74°F | Showers And Thunderstorms | 5 to 8 mph W | 89% |
| Sunday Night | 55°F | Rain Showers Likely | 8 mph N | 63% |
| Monday | 68°F | Mostly Cloudy then Slight Chance Rain Showers | 9 mph NE | 18% |
| Monday Night | 54°F | Chance Rain Showers | 10 mph NE | 48% |
| Tuesday | 66°F | Chance Rain Showers | 13 mph E | 48% |
| Tuesday Night | 52°F | Showers And Thunderstorms Likely | 15 mph E | 60% |
| Wednesday | 63°F | Rain Showers Likely | 12 to 15 mph E | 60% |
| Wednesday Night | 52°F | Showers And Thunderstorms Likely | 9 to 14 mph E | 57% |
| Thursday | 65°F | Chance Rain Showers | 7 to 10 mph E | 44% |
| Thursday Night | 51°F | Slight Chance Rain Showers | 3 to 7 mph NE | 17% |
Forecast source: National Weather Service (api.weather.gov) for Farrell (41.211, -80.497). Updated through the day.
Growing snapshot for Farrell
Last spring frost
May 1
First fall frost
Oct 17
Growing season
167 days
Hardiness zone
6a
More local growing data for Farrell: nearby ZIP 16121 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Clark
Fredonia
Greenville
Grove City
Hermitage
Jackson Center
Lake Latonka
Mercer
New Lebanon
Reynolds Heights
Sandy Lake
Sharon
Sharpsville
Sheakleyville
Stoneboro
West Middlesex
Wheatland
Climate data from the nearest NOAA station, Youngstown Rgnl Ap, Oh (9.6 mi from Farrell). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.