Lake Ontario Weather Forecast

    • 25
    • 37

    Blowing Snow

    • 21
    • 42

    Breezy

    • -3
    • 39

    Snow

    • -8
    • 4

    Slight Chance Snow

    • 5
    • 28

    Mostly Cloudy

    • 0
    • 14

    Slight Chance Snow

Today 15 Dec Wells

Mostly cloudy. Not as cold. Highs in the upper 30s. West Winds 5 to 10 Mph, becoming southwest in the afternoon.

Tonight 15 Dec Wells

Mostly cloudy. Brisk. Lows in the lower 20s. Temperature rising into the in the upper 30s after midnight. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph, increasing to west 20 to 25 Mph with Gusts up to 35 Mph after midnight.

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Lake Ontario Temperature Statistics

December Temperature

Harvey Municipal Airport (21.1 miles)

  • Lowest 7 December, 2025

    -18.4 °F

  • Average December

    10.6 °F

  • Highest 9 December, 2025

    35.6 °F

Climate (2020–Present)

Harvey Municipal Airport (21.1 miles)

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  • Average Low 2020–2025

    30.3 °F

  • Average 2020–2025

    41.3 °F

  • Average High 2020–2025

    52 °F
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