Hannibal Weather Forecast

    • 67
    • 90

    Rain Showers Likely

    • 64
    • 85

    Partly Sunny

    • 68
    • 90

    Slight Chance Rain Showers

    • 67
    • 88

    Chance Thunderstorms

    • 66
    • 86

    Chance Thunderstorms

    • 67
    • 88

    Mostly Sunny

Today 17 Aug Monroe

Mostly sunny early this Morning, then becoming partly sunny. Patchy fog early this morning. A chance of Showers and Thunderstorms this afternoon. Humid with Highs in the upper 80s. Light and variable Winds, becoming west 5 to 10 Mph. Chance of rain 50 percent. Heat index Values in the mid 90s.

Tonight 17 Aug Monroe

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Humid with Lows in the mid 60s. North Winds around 5 Mph. Chance of rain 50 percent.

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Hannibal Temperature Statistics

August Temperature

Wheeling, Wheeling Ohio County Airport (36.7 miles)

  • Lowest 3 August, 2025

    53.7 °F

  • Average August

    73.3 °F

  • Highest 12 August, 2025

    92.6 °F

Climate (2020–Present)

Wheeling, Wheeling Ohio County Airport (36.7 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    54.7 °F

  • Average High 2020–2025

    63.7 °F
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