Hannibal Weather Forecast

    • 23
    • 32

    Snow Showers

    • 28
    • 36

    Rain/Snow

    • 27
    • 40

    Chance Rain/Snow

    • 27
    • 35

    Chance Rain/Snow

    • 30
    • 39

    Rain Showers Likely

    • 21
    • 39

    Chance Rain Showers

Today 21 Dec Oswego

Lake effect snow. Accumulation 1 to 3 Inches in the most persistent Snows. Windy. Near steady Temperatures Ranging from the mid 20s on the tug hill to the upper 20s across the lower Elevations. West Winds 20 to 30 Mph with Gusts up to 40 Mph this morning. Chance of snow 90 percent.

Tonight 21 Dec Oswego

Mostly cloudy. Snow in the Evening, then a chance of snow Showers overnight. Additional accumulation up to 2 Inches. Windy with Lows Ranging from 10 to 15 across the tug hill to 20 to 25 along the lake Ontario shore. Northwest Winds 20 to 30 Mph, becoming light. Chance of snow 80 percent.

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Hannibal Temperature Statistics

December Temperature

Fulton, Oswego County Airport (9.3 miles)

  • Lowest 4 December, 2025

    5 °F

  • Average December

    25.9 °F

  • Highest 19 December, 2025

    54 °F

Climate (2020–Present)

Fulton, Oswego County Airport (9.3 miles)

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  • Average Low 2020–2025

    41 °F

  • Average 2020–2025

    49.6 °F

  • Average High 2020–2025

    58.2 °F
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