Foster Pond Weather Forecast

    • 58
    • 75

    Mostly Cloudy

    • 56
    • 74

    Mostly Cloudy

    • 57
    • 75

    Partly Sunny

    • 55
    • 77

    Mostly Cloudy

    • 57
    • 76

    Slight Chance Thunderstorms

    • 58
    • 81

    Partly Sunny

Today 22 Sep Monroe

Mostly cloudy with a slight chance of very light drizzle this Morning, then partly sunny this afternoon. Highs in the lower 70s. Northeast Winds 5 to 10 Mph.

Tonight 22 Sep Monroe

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 50s. North Winds 5 to 10 Mph.

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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

    82.3 °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

    58.7 °F

  • Average High 2021–2026

    69.5 °F
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