Festus Memorial Airport Weather Forecast

    • 74
    • 96

    Slight Chance Thunderstorms

    • 72
    • 92

    Thunderstorms

    • 72
    • 93

    Chance Thunderstorms

    • 71
    • 93

    Chance Thunderstorms

    • 69
    • 89

    Chance Thunderstorms

    • 70
    • 92

    Chance Thunderstorms

Today 5 Jul Jefferson

Sunny. Highs in the mid 90s. South Winds 5 to 10 Mph.

Tonight 5 Jul Jefferson

Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

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Festus Memorial Airport Temperature Statistics

July Temperature

St. Louis Downtown Airport (28 miles)

  • Lowest 2 July, 2025

    64 °F

  • Average July

    78.2 °F

  • Highest 2 July, 2025

    90 °F

Climate (2020–Present)

St. Louis Downtown Airport (28 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    68.3 °F
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