Gerster Weather Forecast

    • 71
    • 99

    Hot

    • 66
    • 90

    Rain Showers

    • 60
    • 77

    Chance Rain Showers

    • 54
    • 74

    Partly Sunny

    • 55
    • 76

    Partly Sunny

    • 58
    • 79

    Partly Sunny

Today 19 Sep St. Clair

Sunny, hot with Highs in the upper 90s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 19 Sep St. Clair

Mostly clear in the Evening, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 50 percent.

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Gerster Temperature Statistics

September Temperature

Clinton, MO (28 miles)

  • Lowest 12 September, 2026

    62.6 °F

  • Average September

    82.5 °F

  • Highest 8 September, 2026

    102.2 °F

Climate (2021–2026)

Clinton, MO (28 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.8 °F
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