Flat River Weather Forecast

    • 73
    • 96

    Hot

    • 74
    • 97

    Hot

    • 74
    • 97

    Hot

    • 73
    • 98

    Hot

    • 71
    • 93

    Hot

    • 69
    • 93

    Slight Chance Thunderstorms

Today 31 Aug St. Francois

Sunny, hot. Near steady temperature in the mid 90s. South Winds around 5 Mph.

Tonight 31 Aug St. Francois

Clear. Lows in the lower 70s. South Winds around 5 Mph.

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Flat River Temperature Statistics

August Temperature

Farmington Airport (6.8 miles)

  • Lowest 24 August, 2026

    59 °F

  • Average August

    77 °F

  • Highest 16 August, 2026

    96.1 °F

Climate (2021–2026)

Farmington Airport (6.8 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    57.2 °F

  • Average High 2021–2026

    67.3 °F
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