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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.