Gettysburg, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gettysburg, a borough in Adams County, Pennsylvania.
Today
76°F
Partly Sunny
Partly sunny, with a high near 76. East wind around 5 mph.
7-day forecast for Gettysburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Partly Sunny | 5 mph E | 10% |
| Tonight | 61°F | Mostly Cloudy then Chance Rain Showers | 3 to 8 mph SE | 47% |
| Sunday | 76°F | Showers And Thunderstorms | 5 to 10 mph S | 91% |
| Sunday Night | 55°F | Showers And Thunderstorms | 2 to 9 mph NW | 91% |
| Monday | 66°F | Chance Rain Showers | 6 to 9 mph NE | 25% |
| Monday Night | 50°F | Chance Rain Showers | 7 mph NE | 50% |
| Tuesday | 59°F | Rain Showers Likely | 9 mph NE | 65% |
| Tuesday Night | 48°F | Rain Showers Likely | 7 to 10 mph NE | 58% |
| Wednesday | 58°F | Chance Rain Showers | 10 mph NE | 46% |
| Wednesday Night | 48°F | Chance Rain Showers | 9 mph NE | 43% |
| Thursday | 60°F | Chance Rain Showers | 9 mph NE | 43% |
| Thursday Night | 48°F | Chance Rain Showers | 3 to 7 mph N | 38% |
| Friday | 65°F | Slight Chance Rain Showers | 8 mph N | 22% |
| Friday Night | 48°F | Slight Chance Rain Showers | 3 to 7 mph N | 16% |
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.