Hannibal Weather Forecast

    • 54
    • 64

    Rain Showers

    • 55
    • 66

    Mostly Cloudy

    • 53
    • 67

    Partly Sunny

    • 58
    • 74

    Mostly Cloudy

    • 59
    • 74

    Chance Rain Showers

    • 52
    • 70

    Chance Rain Showers

Today 27 Sep Oswego

Showers. Highs Ranging from the lower 60s on the tug hill to the mid 60s across the lower Elevations. North Winds 10 to 15 Mph, becoming northeast. Chance of rain 90 percent.

Tonight 27 Sep Oswego

Mostly cloudy. A chance of Showers in the evening. Lows Ranging from around 50 on the tug hill to the mid 50s across the lower Elevations. Northeast Winds 10 to 15 Mph, becoming light. Chance of rain 50 percent.

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Hannibal Temperature Statistics

September Temperature

Fulton, Oswego County Airport (9.3 miles)

  • Lowest 19 September, 2026

    41 °F

  • Average September

    63.1 °F

  • Highest 2 September, 2026

    82 °F

Climate (2021–2026)

Fulton, Oswego County Airport (9.3 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    57.9 °F
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