Farmington Weather Forecast

    • 33
    • 48

    Rain Showers Likely

    • 37
    • 57

    Slight Chance Thunderstorms

    • 40
    • 63

    Partly Sunny

    • 41
    • 64

    Partly Sunny

    • 43
    • 67

    Partly Sunny

    • 44
    • 70

    Mostly Sunny

    • 45
    • 71

    Mostly Sunny

Today 16 May Washington Palouse

Rain Showers likely and a chance of Thunderstorms. Highs in the upper 40s to mid 50s. Southwest wind 5 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation 70 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 16 May Washington Palouse

A chance of Thunderstorms in the evening. Mostly cloudy with a chance of rain Showers. Lows in the 30s. Southwest wind 5 to 10 Mph with Gusts up to 25 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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Farmington Temperature Statistics

May Temperature

Pullman / Moscow Regional Airport (23.6 miles)

  • Lowest 8 May, 2026

    39.7 °F

  • Average May

    58.2 °F

  • Highest 12 May, 2026

    85.6 °F

Climate (2021–Present)

Pullman / Moscow Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    59.7 °F
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