Gettysburg, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gettysburg, a borough in Adams County, Pennsylvania.
This Afternoon
71°F
Mostly Sunny
Mostly sunny, with a high near 71. South wind around 5 mph.
7-day forecast for Gettysburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 5 mph S | 1% |
| Tonight | 48°F | Partly Cloudy | 3 mph S | 1% |
| Wednesday | 74°F | Mostly Sunny | 2 to 12 mph S | 2% |
| Wednesday Night | 60°F | Mostly Cloudy then Rain Showers | 5 to 8 mph S | 80% |
| Thursday | 73°F | Rain Showers | 3 to 9 mph S | 78% |
| Thursday Night | 58°F | Rain Showers Likely | 2 mph SW | 58% |
| Friday | 69°F | Rain Showers Likely | 2 mph N | 58% |
| Friday Night | 46°F | Chance Rain Showers | 2 mph NW | 49% |
| Saturday | 63°F | Mostly Sunny | 2 to 9 mph NW | 14% |
| Saturday Night | 37°F | Partly Cloudy | 3 to 7 mph NW | 14% |
| Sunday | 60°F | Mostly Sunny | 2 to 7 mph W | 7% |
| Sunday Night | 36°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph W | 22% |
| Monday | 60°F | Slight Chance Rain Showers | 5 to 13 mph NW | 23% |
| Monday Night | 35°F | Slight Chance Rain Showers | 3 to 8 mph W | 23% |
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 Nov 4, 2026.