Gibsonia, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gibsonia, a community in Allegheny County, Pennsylvania.
Today
77°F
Mostly Cloudy
Mostly cloudy, with a high near 77. East wind around 6 mph.
7-day forecast for Gibsonia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Mostly Cloudy | 6 mph E | 3% |
| Tonight | 63°F | Showers And Thunderstorms Likely | 6 mph SE | 72% |
| Sunday | 76°F | Showers And Thunderstorms | 6 to 9 mph SW | 92% |
| Sunday Night | 53°F | Showers And Thunderstorms | 10 mph N | 87% |
| Monday | 66°F | Chance Rain Showers | 12 mph NE | 34% |
| Monday Night | 52°F | Rain Showers Likely | 10 to 14 mph E | 59% |
| Tuesday | 62°F | Rain Showers Likely | 15 mph E | 60% |
| Tuesday Night | 50°F | Rain Showers Likely | 15 mph E | 62% |
| Wednesday | 61°F | Rain Showers Likely | 15 mph E | 62% |
| Wednesday Night | 50°F | Showers And Thunderstorms Likely | 10 to 14 mph E | 61% |
| Thursday | 65°F | Rain Showers Likely | 10 mph E | 60% |
| Thursday Night | 49°F | Chance Rain Showers | 6 to 9 mph NE | 25% |
| Friday | 68°F | Slight Chance Rain Showers | 8 mph NE | 17% |
| Friday Night | 48°F | Slight Chance Rain Showers then Partly Cloudy | 8 mph NE | 17% |
Forecast source: National Weather Service (api.weather.gov) for Gibsonia (40.632, -79.968). Updated through the day.
Growing snapshot for Gibsonia
Last spring frost
Apr 16
First fall frost
Nov 1
Growing season
197 days
Hardiness zone
6b
More local growing data for Gibsonia: nearby ZIP 15044 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Acmetonia Lock 3, Pa (9.9 mi from Gibsonia). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.