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Jacksonville, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Jacksonville, a community in Indiana County, Pennsylvania.

Today
76°F
Partly Sunny
Partly sunny, with a high near 76. Southeast wind around 7 mph.

7-day forecast for Jacksonville

WhenTempForecastWindPrecip
Today 76°F Partly Sunny 7 mph SE 3%
Tonight 62°F Showers And Thunderstorms Likely 5 to 9 mph SE 60%
Sunday 76°F Showers And Thunderstorms 6 to 10 mph SW 97%
Sunday Night 53°F Showers And Thunderstorms Likely 9 mph N 73%
Monday 67°F Chance Rain Showers 10 mph NE 34%
Monday Night 51°F Rain Showers Likely 13 mph E 65%
Tuesday 62°F Rain Showers Likely 13 to 16 mph E 65%
Tuesday Night 49°F Rain Showers Likely 17 mph E 55%
Wednesday 60°F Rain Showers Likely 16 mph E 55%
Wednesday Night 49°F Showers And Thunderstorms Likely 10 to 16 mph E 55%
Thursday 64°F Rain Showers Likely 12 mph E 55%
Thursday Night 48°F Chance Showers And Thunderstorms 5 to 10 mph E 26%
Friday 68°F Slight Chance Rain Showers 5 to 9 mph NE 17%
Friday Night 48°F Slight Chance Rain Showers then Partly Cloudy 3 to 8 mph NE 17%

Forecast source: National Weather Service (api.weather.gov) for Jacksonville (40.561, -79.302). Updated through the day.

Growing snapshot for Jacksonville

Last spring frost
May 8
First fall frost
Oct 13
Growing season
157 days
Hardiness zone
6b

More local growing data for Jacksonville: nearby ZIP 15756 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Indiana 3 Se, Pa (9.8 mi from Jacksonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.