Jacksonville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jacksonville, a community in Indiana County, Pennsylvania.
Today
86°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 86. East wind 0 to 3 mph.
7-day forecast for Jacksonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Patchy Fog then Sunny | 0 to 3 mph E | 0% |
| Tonight | 65°F | Partly Cloudy | 5 mph SE | 1% |
| Wednesday | 86°F | Partly Sunny then Scattered Showers And Thunderstorms | 2 to 6 mph SE | 35% |
| Wednesday Night | 68°F | Scattered Showers And Thunderstorms | 5 mph SE | 46% |
| Thursday | 86°F | Showers And Thunderstorms | 2 to 7 mph S | 79% |
| Thursday Night | 67°F | Showers And Thunderstorms | 2 to 6 mph SW | 79% |
| Friday | 84°F | Showers And Thunderstorms | 3 to 7 mph SW | 81% |
| Friday Night | 66°F | Showers And Thunderstorms | 2 to 6 mph SW | 81% |
| Saturday | 83°F | Showers And Thunderstorms Likely | 5 to 8 mph SW | 56% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 3 to 7 mph SW | 56% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 30% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 30% |
| Monday | 86°F | Chance Showers And Thunderstorms | 8 to 13 mph SW | 43% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 50% |
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 Aug 4, 2026.