Lake Girardeau Weather Forecast

    • 68
    • 98

    Slight Chance Thunderstorms

    • 63
    • 83

    Partly Sunny

    • 62
    • 81

    Partly Sunny

    • 65
    • 80

    Chance Thunderstorms

    • 69
    • 87

    Mostly Sunny

    • 72
    • 93

    Mostly Sunny

Today 21 Jul Cape Girardeau

Sunny with a chance of Showers and Thunderstorms. Hot. Near steady temperature in the mid 90s. Northwest Winds 5 to 10 Mph. Chance of rain 30 percent. Highest heat index Readings heat index Readings up to 109.

Tonight 21 Jul Cape Girardeau

Mostly clear. Lows in the upper 60s. North Winds 5 to 10 Mph.

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Lake Girardeau Temperature Statistics

July Temperature

Cape Girardeau, Cape Girardeau Regional Airport (14.9 miles)

  • Lowest 14 July, 2026

    67.6 °F

  • Average July

    80.4 °F

  • Highest 3 July, 2026

    93.7 °F

Climate (2021–2026)

Cape Girardeau, Cape Girardeau Regional Airport (14.9 miles)

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  • Average Low 2021–2026

    49 °F

  • Average 2021–2026

    59.7 °F

  • Average High 2021–2026

    70.5 °F
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