Jacksonville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jacksonville, a community in Centre County, Pennsylvania.
Today
75°F
Partly Sunny
Partly sunny. High near 75, with temperatures falling to around 69 in the afternoon. South wind 2 to 8 mph.
7-day forecast for Jacksonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Partly Sunny | 2 to 8 mph S | 2% |
| Tonight | 59°F | Light Rain | 7 mph S | 97% |
| Thursday | 73°F | Light Rain Likely | 5 to 8 mph SW | 72% |
| Thursday Night | 48°F | Mostly Cloudy | 0 to 3 mph SW | 8% |
| Friday | 67°F | Partly Sunny | 0 to 3 mph SW | 11% |
| Friday Night | 43°F | Partly Cloudy | 2 mph W | 10% |
| Saturday | 56°F | Chance Light Rain | 3 to 9 mph W | 33% |
| Saturday Night | 38°F | Slight Chance Light Rain | 8 to 13 mph W | 23% |
| Sunday | 57°F | Partly Sunny | 9 mph W | 6% |
| Sunday Night | 36°F | Partly Cloudy | 10 mph W | 6% |
| Monday | 57°F | Mostly Sunny | 10 mph W | 12% |
| Monday Night | 34°F | Partly Cloudy | 9 mph W | 12% |
| Tuesday | 61°F | Mostly Sunny | 7 to 12 mph W | 4% |
| Tuesday Night | 34°F | Partly Cloudy | 5 to 9 mph W | 4% |
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 Nov 4, 2026.