Foster Pond Weather Forecast

    • 74
    • 96

    Slight Chance Thunderstorms

    • 72
    • 97

    Hot

    • 72
    • 95

    Mostly Sunny

    • 71
    • 96

    Partly Sunny

    • 67
    • 92

    Chance Rain Showers

    • 62
    • 82

    Chance Rain Showers

Today 16 Sep Monroe

Mostly sunny with a slight chance of Showers. A slight chance of Thunderstorms in the afternoon. Hot with Highs in the upper 90s. East Winds around 5 Mph, becoming southwest around 5 Mph in the afternoon. Chance of rain 20 percent. Heat index Values up to 110.

Tonight 16 Sep Monroe

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the lower 70s. South Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 104 early in the evening.

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Foster Pond Temperature Statistics

September Temperature

St. Louis Downtown Airport (17.4 miles)

  • Lowest 8 September, 2026

    59.6 °F

  • Average September

    81.7 °F

  • Highest 5 September, 2026

    102.7 °F

Climate (2021–2026)

St. Louis Downtown Airport (17.4 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    69.4 °F
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