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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

WhenTempForecastWindPrecip
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

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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.