Finleyville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Finleyville, a borough in Washington County, Pennsylvania.
This Afternoon
80°F
Mostly Sunny
Mostly sunny, with a high near 80. North wind around 8 mph.
7-day forecast for Finleyville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Mostly Sunny | 8 mph N | 11% |
| Tonight | 58°F | Partly Cloudy | 5 to 8 mph NE | 11% |
| Saturday | 79°F | Partly Sunny | 6 mph E | 4% |
| Saturday Night | 65°F | Mostly Cloudy then Showers And Thunderstorms Likely | 5 to 8 mph SE | 56% |
| Sunday | 78°F | Showers And Thunderstorms | 7 to 10 mph SW | 94% |
| Sunday Night | 60°F | Showers And Thunderstorms | 7 to 10 mph N | 94% |
| Monday | 69°F | Chance Rain Showers | 12 mph NE | 43% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 13 mph NE | 66% |
| Tuesday | 66°F | Showers And Thunderstorms Likely | 15 mph E | 74% |
| Tuesday Night | 55°F | Showers And Thunderstorms Likely | 15 mph E | 70% |
| Wednesday | 64°F | Showers And Thunderstorms Likely | 15 mph E | 66% |
| Wednesday Night | 53°F | Chance Showers And Thunderstorms | 8 to 14 mph E | 52% |
| Thursday | 65°F | Chance Rain Showers | 10 mph E | 40% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 5 to 9 mph NE | 22% |
Forecast source: National Weather Service (api.weather.gov) for Finleyville (40.253, -80.002). Updated through the day.
Growing snapshot for Finleyville
Last spring frost
Apr 13
First fall frost
Nov 5
Growing season
205 days
Hardiness zone
6b
More local growing data for Finleyville: nearby ZIP 15332 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Charleroi Lock 4, Pa (8.2 mi from Finleyville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.