Gettysburg Weather Forecast

    • 68
    • 85

    Rain Showers Likely

    • 54
    • 81

    Partly Sunny

    • 62
    • 76

    Chance Rain Showers

    • 60
    • 78

    Rain Showers

    • 56
    • 69

    Chance Rain Showers

    • 51
    • 63

    Chance Rain Showers

Today 17 Sep Adams

Mostly cloudy. A chance of Showers this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Very warm with Highs in the mid 80s. Southwest Winds around 5 Mph. Chance of rain 60 percent.

Tonight 17 Sep Adams

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Humid with Lows in the upper 60s. West Winds around 5 Mph, becoming northwest after midnight. Chance of rain 60 percent.

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Gettysburg Temperature Statistics

September Temperature

Carroll County Regional Jack B Poage Field (19.3 miles)

  • Lowest 15 September, 2026

    46.4 °F

  • Average September

    72.4 °F

  • Highest 1 September, 2026

    89.6 °F

Climate (2021–2026)

Carroll County Regional Jack B Poage Field (19.3 miles)

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  • Average Low 2021–2026

    49.2 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    67.4 °F
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