Hannibal Weather Forecast

    • 75
    • 95

    Mostly Sunny

    • 74
    • 94

    Chance Thunderstorms

    • 75
    • 87

    Chance Thunderstorms

    • 75
    • 91

    Slight Chance Thunderstorms

    • 76
    • 94

    Mostly Sunny

    • 75
    • 95

    Mostly Sunny

Today 23 Jul Marion

Sunny, hot with Highs in the mid 90s. South Winds 5 to 10 Mph. Heat index Values up to 109.

Tonight 23 Jul Marion

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph. Heat index Values up to 108 early in the evening.

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  • Temperature Real-Time

Hannibal Temperature Statistics

July Temperature

Quincy Regional Airport-Baldwin Field (17.4 miles)

  • Lowest 1 July, 2025

    65.6 °F

  • Average July

    77.9 °F

  • Highest 11 July, 2025

    93.7 °F

Climate (2020–Present)

Quincy Regional Airport-Baldwin Field (17.4 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    55 °F

  • Average High 2020–2025

    64.7 °F
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