Foster Pond Weather Forecast

    • 66
    • 93

    Decreasing Clouds

    • 64
    • 92

    Mostly Sunny

    • 64
    • 92

    Mostly Sunny

    • 64
    • 91

    Chance Thunderstorms

    • 63
    • 85

    Chance Thunderstorms

    • 60
    • 82

    Chance Thunderstorms

Today 15 Sep Monroe

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 15 Sep Monroe

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 60s. Northeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Foster Pond Temperature Statistics

September Temperature

St. Louis Downtown Airport (17.4 miles)

  • Lowest 8 September, 2025

    44.1 °F

  • Average September

    68.9 °F

  • Highest 12 September, 2025

    93.9 °F

Climate (2020–Present)

St. Louis Downtown Airport (17.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    68.5 °F
Get WillyWeather+ to remove ads