Foster Weather Forecast

    • 66
    • 89

    Chance Thunderstorms

    • 67
    • 89

    Rain Showers Likely

    • 72
    • 93

    Mostly Sunny

    • 68
    • 93

    Chance Thunderstorms

    • 69
    • 91

    Chance Rain Showers

    • 67
    • 87

    Chance Rain Showers

Today 12 Sep Bates

Mostly sunny. A chance of Showers and Thunderstorms in the morning. Highs in the upper 80s. Southwest Winds around 5 Mph, becoming north in the afternoon. Chance of rain 50 percent.

Tonight 12 Sep Bates

Partly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the mid 60s. Northeast Winds around 5 Mph. Chance of rain 50 percent.

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Foster Temperature Statistics

September Temperature

Clinton, MO (46 miles)

  • Lowest 9 September, 2026

    69.8 °F

  • Average September

    86 °F

  • Highest 8 September, 2026

    102.2 °F

Climate (2021–2026)

Clinton, MO (46 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.8 °F
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