Gastonville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gastonville, a community in Allegheny County, Pennsylvania.
This Afternoon
80°F
Mostly Sunny
Mostly sunny, with a high near 80. North wind around 8 mph.
7-day forecast for Gastonville
| 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 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 Sep 18, 2026.