Gastonville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gastonville, a community in Allegheny County, Pennsylvania.
Today
85°F
Sunny
Sunny, with a high near 85. East wind around 5 mph.
7-day forecast for Gastonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 5 mph E | 0% |
| Tonight | 67°F | Partly Cloudy | 2 to 6 mph SE | 1% |
| Wednesday | 86°F | Mostly Sunny then Scattered Showers And Thunderstorms | 2 to 6 mph S | 25% |
| Wednesday Night | 68°F | Scattered Showers And Thunderstorms | 2 to 6 mph S | 50% |
| Thursday | 84°F | Showers And Thunderstorms Likely | 5 to 9 mph SW | 73% |
| Thursday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 7 mph SW | 73% |
| Friday | 83°F | Showers And Thunderstorms | 5 to 9 mph SW | 83% |
| Friday Night | 67°F | Showers And Thunderstorms | 7 mph SW | 83% |
| Saturday | 82°F | Showers And Thunderstorms Likely | 6 to 9 mph SW | 57% |
| Saturday Night | 67°F | Showers And Thunderstorms Likely | 5 to 8 mph SW | 57% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 22% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 9 mph SW | 23% |
| Monday | 85°F | Chance Showers And Thunderstorms | 9 to 13 mph SW | 35% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 49% |
Forecast source: National Weather Service (api.weather.gov) for Gastonville (40.267, -80.010). Updated through the day.
Growing snapshot for Gastonville
Last spring frost
Apr 18
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
6b
More local growing data for Gastonville: nearby ZIP 15129 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Pittsburgh Allegheny Co Ap, Pa (5.7 mi from Gastonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.