Sewickley Hills, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sewickley Hills, a borough in Allegheny County, Pennsylvania.
Today
77°F
Partly Sunny
Partly sunny, with a high near 77. East wind around 5 mph.
7-day forecast for Sewickley Hills
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Partly Sunny | 5 mph E | 4% |
| Tonight | 64°F | Showers And Thunderstorms Likely | 6 mph SE | 71% |
| Sunday | 76°F | Showers And Thunderstorms | 8 mph SW | 95% |
| Sunday Night | 55°F | Showers And Thunderstorms | 9 mph N | 95% |
| Monday | 66°F | Chance Rain Showers | 10 mph NE | 35% |
| Monday Night | 54°F | Rain Showers Likely | 9 to 13 mph NE | 58% |
| Tuesday | 62°F | Rain Showers Likely | 14 mph E | 59% |
| Tuesday Night | 52°F | Rain Showers Likely | 15 mph E | 62% |
| Wednesday | 61°F | Rain Showers Likely | 14 mph E | 62% |
| Wednesday Night | 51°F | Showers And Thunderstorms Likely | 13 mph E | 62% |
| Thursday | 64°F | Rain Showers Likely | 10 mph E | 58% |
| Thursday Night | 50°F | Chance Rain Showers | 5 to 8 mph E | 25% |
| Friday | 67°F | Slight Chance Rain Showers | 8 mph NE | 18% |
| Friday Night | 50°F | Slight Chance Rain Showers then Partly Cloudy | 7 mph NE | 18% |
Forecast source: National Weather Service (api.weather.gov) for Sewickley Hills (40.568, -80.127). Updated through the day.
Growing snapshot for Sewickley Hills
Last spring frost
Apr 8
First fall frost
Nov 8
Growing season
212 days
Hardiness zone
6b
More local growing data for Sewickley Hills: nearby ZIP 15143 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Glenwillard Dashields L&D, Pa (3.4 mi from Sewickley Hills). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.