Foster Weather Forecast

    • 68
    • 95

    Chance Thunderstorms

    • 72
    • 95

    Partly Sunny

    • 71
    • 95

    Mostly Sunny

    • 70
    • 94

    Mostly Sunny

    • 64
    • 90

    Partly Sunny

    • 57
    • 79

    Chance Rain Showers

Today 15 Sep Bates

Sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent. Heat index Values up to 103.

Tonight 15 Sep Bates

Mostly 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 upper 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 12 September, 2026

    62.6 °F

  • Average September

    83.1 °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

    57.8 °F

  • Average High 2021–2026

    68.8 °F
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