Gettysburg, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gettysburg, a borough in Adams County, Pennsylvania.
Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. North wind around 5 mph.
7-day forecast for Gettysburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 76°F | Mostly Sunny | 5 mph NE | 3% |
| Saturday Night | 63°F | Chance Rain Showers | 3 to 7 mph SE | 38% |
| Sunday | 78°F | Showers And Thunderstorms | 6 to 9 mph S | 82% |
| Sunday Night | 60°F | Showers And Thunderstorms | 2 to 9 mph NW | 82% |
| Monday | 69°F | Chance Rain Showers | 9 mph NE | 38% |
| Monday Night | 56°F | Rain Showers Likely | 5 to 8 mph NE | 55% |
| Tuesday | 61°F | Rain Showers Likely | 9 mph NE | 69% |
| Tuesday Night | 50°F | Rain Showers Likely | 9 mph NE | 69% |
| Wednesday | 59°F | Rain Showers Likely | 9 mph NE | 55% |
| Wednesday Night | 50°F | Chance Showers And Thunderstorms | 5 to 8 mph NE | 53% |
| Thursday | 61°F | Chance Showers And Thunderstorms | 8 mph NE | 48% |
| Thursday Night | 51°F | Chance Rain Showers | 2 to 6 mph N | 42% |
| Friday | 66°F | Slight Chance Rain Showers | 7 mph N | 24% |
Forecast source: National Weather Service (api.weather.gov) for Gettysburg (39.831, -77.234). Updated through the day.
Growing snapshot for Gettysburg
Last spring frost
Apr 24
First fall frost
Oct 21
Growing season
180 days
Hardiness zone
7a
More local growing data for Gettysburg: nearby ZIP 17325 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Abbottstown
Arendtsville
Aspers
Bendersville
Biglerville
Bonneauville
Carroll Valley
Cashtown
East Berlin
Fairfield
Hampton
Heidlersburg
Hunterstown
Lake Heritage
Lake Meade
Littlestown
McKnightstown
McSherrystown
Midway
New Oxford
Orrtanna
Table Rock
York Springs
Climate data from the nearest NOAA station, Eisenhower Nhs, Pa (1.5 mi from Gettysburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.