DeRuyter Reservoir Weather Forecast

    • 48
    • 58

    Rain Showers

    • 33
    • 68

    Rain Showers

    • 28
    • 41

    Partly Sunny

    • 33
    • 56

    Mostly Sunny

    • 37
    • 60

    Partly Sunny

    • 36
    • 60

    Mostly Sunny

Today 15 Oct Madison

Partly sunny. Highs in the upper 50s. North Winds around 5 Mph, becoming east around 5 Mph this afternoon.

Tonight 15 Oct Madison

Partly cloudy in the Evening, then Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 40s. Southeast Winds 5 to 10 Mph, increasing to south 15 to 20 Mph with Gusts up to 30 Mph after midnight. Chance of rain near 100 percent.

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DeRuyter Reservoir Temperature Statistics

October Temperature

Cortland County-Chase Field (22.4 miles)

  • Lowest 6 October, 2026

    32 °F

  • Average October

    52.2 °F

  • Highest 1 October, 2026

    68 °F

Climate (2021–2026)

Cortland County-Chase Field (22.4 miles)

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  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    56.4 °F
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