Jacksonville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jacksonville, a community in Indiana County, Pennsylvania.
Today
75°F
Mostly Sunny
Mostly sunny. High near 75, with temperatures falling to around 69 in the afternoon. Southeast wind 5 to 9 mph.
7-day forecast for Jacksonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 5 to 9 mph SE | 10% |
| Tonight | 60°F | Light Rain | 7 to 10 mph S | 88% |
| Thursday | 70°F | Light Rain Likely then Partly Sunny | 7 to 14 mph SW | 69% |
| Thursday Night | 47°F | Partly Cloudy | 5 mph SW | 1% |
| Friday | 63°F | Partly Sunny then Slight Chance Light Rain | 2 to 8 mph SW | 23% |
| Friday Night | 41°F | Chance Light Rain | 2 to 7 mph W | 44% |
| Saturday | 52°F | Chance Light Rain | 7 to 14 mph W | 44% |
| Saturday Night | 35°F | Chance Light Rain | 7 to 13 mph W | 34% |
| Sunday | 54°F | Slight Chance Light Rain | 8 to 15 mph W | 15% |
| Sunday Night | 32°F | Partly Cloudy | 8 to 12 mph W | 9% |
| Monday | 54°F | Slight Chance Light Rain | 9 to 15 mph W | 18% |
| Monday Night | 32°F | Slight Chance Light Rain then Partly Cloudy | 7 to 12 mph SW | 18% |
| Tuesday | 58°F | Mostly Sunny | 12 to 17 mph SW | 5% |
| Tuesday Night | 33°F | Partly Cloudy | 5 to 10 mph W | 5% |
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 Nov 4, 2026.