Foster Weather Forecast

    • 60
    • 78

    Mostly Cloudy

    • 54
    • 76

    Mostly Cloudy

    • 52
    • 77

    Mostly Sunny

    • 56
    • 77

    Mostly Cloudy

    • 60
    • 77

    Chance Rain Showers

    • 62
    • 82

    Slight Chance Rain Showers

Today 21 Sep Bates

Mostly cloudy. A slight chance of Showers in the morning. Patchy fog in the morning. Highs in the upper 70s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 21 Sep Bates

Mostly cloudy. Lows around 60. North Winds around 5 Mph.

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Foster Temperature Statistics

September Temperature

Clinton, MO (46 miles)

  • Lowest 12 September, 2026

    62.6 °F

  • Average September

    82.8 °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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