Groton Weather Forecast

    • 55
    • 77

    Increasing Clouds

    • 54
    • 78

    Rain Showers Likely

    • 51
    • 75

    Partly Sunny

    • 56
    • 78

    Mostly Sunny

    • 57
    • 78

    Chance Rain Showers

    • 53
    • 75

    Rain Showers

Today 18 Aug Tompkins

Areas of fog this morning. Partly sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 18 Aug Tompkins

Partly cloudy. Patchy fog after midnight. Lows in the mid 50s. Northwest Winds around 5 Mph, becoming south after midnight.

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Groton Temperature Statistics

August Temperature

Cortland County-Chase Field (7.5 miles)

  • Lowest 4 August, 2026

    50 °F

  • Average August

    68 °F

  • Highest 6 August, 2026

    86 °F

Climate (2021–2026)

Cortland County-Chase Field (7.5 miles)

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  • Average Low 2021–2026

    37.8 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    56.5 °F
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