Hannibal Weather Forecast

    • 1
    • 18

    Snow

    • 5
    • 12

    Snow Showers Likely

    • 3
    • 14

    Chance Snow Showers

    • 11
    • 18

    Mostly Cloudy

    • 15
    • 26

    Mostly Cloudy

Today 29 Jan Oswego

Lake effect snow Showers. Snow may be heavy at Times. Additional accumulation 5 to 9 Inches in the most persistent Snows. Cold with Highs Ranging from 10 to 15 on the tug hill to 15 to 20 across the lower Elevations. Light Winds, becoming northwest 10 to 15 Mph. Chance of snow near 100 percent.

Tonight 29 Jan Oswego

Lake effect snow. Snow may be heavy at Times. Additional accumulation 6 to 11 Inches in the most persistent Snows. Lows Ranging from zero to 5 above across the tug hill to 5 to 10 above along the lake Ontario shore. Light southwest Winds. Chance of snow near 100 percent.

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Hannibal Temperature Statistics

January Temperature

Fulton, Oswego County Airport (9.3 miles)

  • Lowest 24 January, 2026

    -11 °F

  • Average January

    23.6 °F

  • Highest 9 January, 2026

    48 °F

Climate (2021–Present)

Fulton, Oswego County Airport (9.3 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    49.5 °F

  • Average High 2021–2026

    58.1 °F
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