Gerster Weather Forecast

    • 75
    • 102

    Hot

    • 72
    • 100

    Slight Chance Thunderstorms

    • 73
    • 98

    Hot

    • 76
    • 101

    Hot

    • 73
    • 101

    Slight Chance Thunderstorms

    • 70
    • 96

    Slight Chance Rain Showers

Today 5 Sep St. Clair

Sunny, hot with Highs around 101. Southwest Winds around 5 Mph, becoming east in the afternoon.

Tonight 5 Sep St. Clair

Mostly clear. A slight chance of Showers in the evening. Humid with Lows in the mid 70s. Southeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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Gerster Temperature Statistics

September Temperature

Clinton, MO (28 miles)

  • Lowest 1 September, 2026

    75.2 °F

  • Average September

    87.2 °F

  • Highest 1 September, 2026

    100.4 °F

Climate (2021–2026)

Clinton, MO (28 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    68.7 °F
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