Hannibal Weather Forecast

    • 42
    • 46

    Rain Showers

    • 23
    • 47

    Rain/Snow

    • 27
    • 38

    Chance Rain/Snow

    • 19
    • 36

    Slight Chance Snow Showers

    • 21
    • 28

    Chance Rain/Snow

    • 24
    • 38

    Rain/Snow Likely

Today 18 Dec Oswego

Sunny in the Morning, then becoming partly sunny. Windy with Highs Ranging from the lower 40s on the tug hill to the upper 40s across the lower Elevations. Southeast Winds 10 to 15 Mph, increasing to 20 to 30 Mph with Gusts up to 40 Mph.

Tonight 18 Dec Oswego

Showers. Very windy and not as cold with Lows Ranging from the upper 30s on the tug hill to the lower 40s across the lower Elevations. Southeast Winds 30 to 40 Mph, becoming south. Chance of rain near 100 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

    23.7 °F

  • Highest 10 December, 2025

    36 °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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