Jacksonville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jacksonville, a community in Centre County, Pennsylvania.
Today
83°F
Sunny
Sunny, with a high near 83. Southeast wind 0 to 3 mph.
7-day forecast for Jacksonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 0 to 3 mph SE | 0% |
| Tonight | 64°F | Partly Cloudy | 0 to 3 mph SE | 2% |
| Wednesday | 82°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SE | 42% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms then Patchy Fog | 0 to 5 mph SE | 36% |
| Thursday | 84°F | Showers And Thunderstorms | 0 to 5 mph SW | 84% |
| Thursday Night | 69°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 3 mph SW | 84% |
| Friday | 84°F | Showers And Thunderstorms | 0 to 5 mph SW | 79% |
| Friday Night | 67°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph SW | 79% |
| Saturday | 85°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 6 mph SW | 48% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 mph W | 48% |
| Sunday | 88°F | Mostly Sunny | 2 to 7 mph W | 13% |
| Sunday Night | 68°F | Partly Cloudy | 7 mph SW | 13% |
| Monday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph W | 28% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 28% |
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 Aug 4, 2026.