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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.

Today
77°F
Slight Chance Rain Showers then Mostly Cloudy
A slight chance of rain showers before 11am. Mostly cloudy, with a high near 77. East wind around 5 mph. Chance of precipitation is 20%.

7-day forecast for Mount Jackson

WhenTempForecastWindPrecip
Today 77°F Slight Chance Rain Showers then Mostly Cloudy 5 mph E 18%
Tonight 62°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms 5 mph SE 77%
Sunday 76°F Showers And Thunderstorms 5 to 8 mph SW 92%
Sunday Night 52°F Chance Rain Showers then Mostly Cloudy 6 to 9 mph N 41%
Monday 68°F Mostly Cloudy then Slight Chance Rain Showers 9 mph NE 24%
Monday Night 51°F Chance Rain Showers 10 mph NE 52%
Tuesday 63°F Chance Rain Showers 14 mph E 52%
Tuesday Night 50°F Rain Showers Likely 15 mph E 58%
Wednesday 63°F Rain Showers Likely 15 mph E 58%
Wednesday Night 50°F Showers And Thunderstorms Likely 10 to 14 mph E 63%
Thursday 66°F Rain Showers Likely 10 mph E 60%
Thursday Night 49°F Slight Chance Rain Showers 3 to 7 mph E 20%
Friday 69°F Slight Chance Rain Showers 7 mph NE 16%
Friday Night 48°F Slight Chance Rain Showers then Partly Cloudy 3 to 7 mph NE 15%

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.