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Mount Jackson, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Mount Jackson, a community in Lawrence County, Pennsylvania.

Tonight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. Northeast wind around 3 mph.

7-day forecast for Mount Jackson

WhenTempForecastWindPrecip
Tonight 56°F Partly Cloudy 3 mph NE 3%
Saturday 77°F Partly Sunny then Slight Chance Rain Showers 5 mph E 16%
Saturday Night 63°F Mostly Cloudy then Slight Chance Showers And Thunderstorms 5 mph SE 74%
Sunday 76°F Showers And Thunderstorms 7 mph SW 92%
Sunday Night 56°F Showers And Thunderstorms 7 mph N 80%
Monday 69°F Mostly Cloudy then Slight Chance Rain Showers 9 mph NE 22%
Monday Night 55°F Chance Rain Showers 10 mph NE 51%
Tuesday 66°F Showers And Thunderstorms Likely 13 mph E 55%
Tuesday Night 53°F Showers And Thunderstorms Likely 15 mph E 62%
Wednesday 64°F Rain Showers Likely 14 mph E 62%
Wednesday Night 52°F Chance Showers And Thunderstorms 9 to 14 mph E 53%
Thursday 66°F Chance Rain Showers 7 to 10 mph E 42%
Thursday Night 52°F Slight Chance Rain Showers 3 to 7 mph NE 17%
Friday 70°F Slight Chance Rain Showers 7 mph N 16%

Forecast source: National Weather Service (api.weather.gov) for Mount Jackson (40.968, -80.432). Updated through the day.

Growing snapshot for Mount Jackson

Last spring frost
Apr 30
First fall frost
Oct 23
Growing season
175 days
Hardiness zone
6a

More local growing data for Mount Jackson: nearby ZIP 16102 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, New Castle 1 N, Pa (4.7 mi from Mount Jackson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.