Foster Weather Forecast

    • 63
    • 78

    Rain Showers Likely

    • 64
    • 81

    Chance Rain Showers

    • 67
    • 84

    Rain Showers Likely

    • 67
    • 79

    Rain Showers Likely

    • 60
    • 77

    Rain Showers Likely

    • 58
    • 75

    Chance Rain Showers

Today 27 Sep Bates

Mostly cloudy with a chance of Showers. A chance of Thunderstorms after Midnight, then a slight chance of Thunderstorms this afternoon. Highs in the upper 70s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 27 Sep Bates

A slight chance of Thunderstorms in the evening. Mostly cloudy with a slight chance of Showers. Lows in the lower 60s. East Winds around 5 Mph. Chance of rain 20 percent.

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Foster Temperature Statistics

September Temperature

Clinton, MO (46 miles)

  • Lowest 24 September, 2026

    51.8 °F

  • Average September

    80 °F

  • Highest 8 September, 2026

    102.2 °F

Climate (2021–2026)

Clinton, MO (46 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.8 °F
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