Farmington Weather Forecast

    • 46
    • 73

    Rain Showers Likely

    • 44
    • 64

    Rain Showers Likely

    • 45
    • 70

    Mostly Sunny

    • 49
    • 77

    Mostly Sunny

    • 49
    • 76

    Partly Sunny

    • 45
    • 69

    Partly Sunny

    • 43
    • 67

    Partly Sunny

Today 6 Sep Washington Palouse

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the lower to mid 70s. West wind 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation 20 percent.

Tonight 6 Sep Washington Palouse

A chance of Thunderstorms in the evening. Rain Showers likely. Lows in the mid 40s to lower 50s. Southwest wind 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of precipitation 70 percent. Rainfall Amounts less than a quarter of an Inch, except higher Amounts possible in Thunderstorms.

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Farmington Temperature Statistics

September Temperature

Pullman / Moscow Regional Airport (23.6 miles)

  • Lowest 4 September, 2026

    46.9 °F

  • Average September

    59.9 °F

  • Highest 1 September, 2026

    77.6 °F

Climate (2021–2026)

Pullman / Moscow Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    59.6 °F
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