Geneva Weather Forecast

    • 23
    • 50

    Rain Showers

    • 28
    • 39

    Mostly Cloudy

    • 20
    • 33

    Mostly Cloudy

    • 21
    • 29

    Mostly Cloudy

    • 29
    • 39

    Chance Rain Showers

    • 26
    • 35

    Mostly Cloudy

Today 19 Dec Ontario

Mostly cloudy. Rain Showers in the Morning, then a chance of snow Showers in the afternoon. Patchy blowing snow in the afternoon. Windy. Early morning Highs Ranging from the lower 40s on the Hilltops to the upper 40s across the lower Elevations, then Temperatures falling to the lower 20s on the Hilltops and to the upper 20s across the lower Elevations. Southwest Winds 20 to 30 Mph, becoming west with Gusts up to 45 Mph. Chance of precipitation 90 percent.

Tonight 19 Dec Ontario

Mostly cloudy. A chance of snow Showers in the evening. Patchy blowing snow in the evening. Very windy with Lows in the lower 20s. West Winds 25 to 35 Mph with Gusts up to 45 Mph in the Evening, Diminishing to 20 to 30 Mph. Chance of snow 40 percent.

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Geneva Temperature Statistics

December Temperature

Penn Yan, Penn Yan Airport (15.5 miles)

  • Lowest 4 December, 2025

    3 °F
  • Average December

    24.1 °F
  • Highest 10 December, 2025

    37.9 °F

Climate (2020–Present)

Penn Yan, Penn Yan Airport (15.5 miles)

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  • Average Low 2020–2025

    41.9 °F
  • Average 2020–2025

    50.5 °F
  • Average High 2020–2025

    59.2 °F
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