Jacksonville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jacksonville, a community in Centre County, Pennsylvania.
Tonight
61°F
Rain Showers
Rain showers. Cloudy, with a low around 61. Southeast wind 3 to 7 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Jacksonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Rain Showers | 3 to 7 mph SE | 86% |
| Sunday | 76°F | Rain Showers | 7 mph SW | 96% |
| Sunday Night | 51°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 8 mph N | 45% |
| Monday | 70°F | Partly Sunny then Slight Chance Rain Showers | 8 mph NE | 23% |
| Monday Night | 50°F | Rain Showers Likely | 7 mph NE | 58% |
| Tuesday | 64°F | Rain Showers Likely | 7 mph E | 58% |
| Tuesday Night | 48°F | Chance Rain Showers | 9 mph E | 48% |
| Wednesday | 61°F | Chance Rain Showers | 9 mph E | 36% |
| Wednesday Night | 47°F | Slight Chance Rain Showers | 8 mph E | 20% |
| Thursday | 63°F | Slight Chance Rain Showers | 7 mph E | 19% |
| Thursday Night | 47°F | Slight Chance Rain Showers | 6 mph NE | 23% |
| Friday | 68°F | Chance Rain Showers | 3 to 7 mph N | 25% |
| Friday Night | 48°F | Chance Rain Showers | 5 to 8 mph N | 25% |
| Saturday | 70°F | Slight Chance Rain Showers then Mostly Sunny | 7 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov) for Jacksonville (40.992, -77.634). Updated through the day.
Growing snapshot for Jacksonville
Last spring frost
May 5
First fall frost
Oct 6
Growing season
153 days
Hardiness zone
6b
More local growing data for Jacksonville: nearby ZIP 16856 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Aaronsburg
Baileyville
Beech Creek
Bellefonte
Blanchard
Boalsburg
Centre Hall
Clarence
Coburn
Continental Courts
Eagle Creek
Eagleville
Holters Crossing
Houserville
Howard
Hublersburg
Julian
Lemont
Madisonburg
Milesburg
Millheim
Mingoville
Moose Run
Moshannon
Mount Eagle
Osceola Mills
Park Forest Village
Peru
Pine Glen
Pine Grove Mills
Climate data from the nearest NOAA station, Millheim, Pa (9.6 mi from Jacksonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.