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Blaine Hill, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Blaine Hill, a community in Allegheny County, Pennsylvania.

Today
79°F
Partly Sunny
Partly sunny, with a high near 79. East wind around 5 mph.

7-day forecast for Blaine Hill

WhenTempForecastWindPrecip
Today 79°F Partly Sunny 5 mph E 4%
Tonight 64°F Chance Showers And Thunderstorms 7 mph SE 48%
Sunday 78°F Showers And Thunderstorms 8 to 12 mph SW 97%
Sunday Night 56°F Showers And Thunderstorms 8 to 12 mph N 95%
Monday 68°F Chance Rain Showers 13 mph NE 42%
Monday Night 54°F Showers And Thunderstorms Likely 13 mph NE 69%
Tuesday 64°F Showers And Thunderstorms Likely 13 to 16 mph E 69%
Tuesday Night 51°F Rain Showers Likely 16 mph E 63%
Wednesday 62°F Rain Showers Likely 16 mph E 63%
Wednesday Night 51°F Showers And Thunderstorms Likely 9 to 15 mph E 57%
Thursday 66°F Rain Showers Likely 12 mph E 56%
Thursday Night 50°F Chance Showers And Thunderstorms 6 to 12 mph NE 32%
Friday 68°F Partly Sunny then Slight Chance Rain Showers 6 to 9 mph NE 21%
Friday Night 49°F Slight Chance Rain Showers then Partly Cloudy 5 to 9 mph NE 21%

Forecast source: National Weather Service (api.weather.gov) for Blaine Hill (40.274, -79.874). Updated through the day.

Growing snapshot for Blaine Hill

Last spring frost
May 2
First fall frost
Oct 20
Growing season
170 days
Hardiness zone
6b

More local growing data for Blaine Hill: nearby ZIP 15088 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Mckeesport, Pa (5.1 mi from Blaine Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.