Farmington Weather Forecast

    • 50
    • 75

    Mostly Sunny

    • 50
    • 79

    Sunny

    • 51
    • 80

    Mostly Sunny

    • 50
    • 76

    Partly Sunny

    • 48
    • 72

    Partly Sunny

    • 50
    • 78

    Partly Sunny

Today 19 Sep Washington Palouse

Sunny. Highs in the mid 70s to lower 80s. Light wind.

Tonight 19 Sep Washington Palouse

Mostly clear. Lows in the upper 40s to lower 50s. Light wind.

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Farmington Temperature Statistics

September Temperature

Pullman / Moscow Regional Airport (23.6 miles)

  • Lowest 16 September, 2026

    42.1 °F

  • Average September

    59.6 °F

  • Highest 10 September, 2026

    80.7 °F

Climate (2021–2026)

Pullman / Moscow Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    59.6 °F
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