Gilmore Weather Forecast

    • 66
    • 93

    Decreasing Clouds

    • 64
    • 92

    Mostly Sunny

    • 64
    • 92

    Partly Sunny

    • 64
    • 89

    Chance Thunderstorms

    • 61
    • 85

    Chance Thunderstorms

    • 60
    • 82

    Chance Thunderstorms

Today 15 Sep St. Charles

Mostly sunny. Highs in the lower 90s. East Winds 5 to 10 Mph.

Tonight 15 Sep St. Charles

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 60s. East Winds 5 to 10 Mph.

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Gilmore Temperature Statistics

September Temperature

St. Louis, Spirit Of St. Louis Airport (13 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    67.2 °F

  • Highest 12 September, 2025

    93.9 °F

Climate (2020–Present)

St. Louis, Spirit Of St. Louis Airport (13 miles)

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    56.9 °F

  • Average High 2020–2025

    68.1 °F
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