St John Weather Forecast

    • 46
    • 70

    Mostly Cloudy

    • 45
    • 69

    Mostly Cloudy

    • 47
    • 72

    Partly Sunny

    • 50
    • 77

    Partly Sunny

    • 48
    • 75

    Mostly Sunny

    • 47
    • 75

    Partly Sunny

Today 31 May Washington Palouse

Mostly cloudy in the Morning, becoming partly cloudy. Highs in the mid 60s to lower 70s. Southwest wind 5 to 15 Mph with Gusts up to 25 Mph.

Tonight 31 May Washington Palouse

Partly cloudy. Lows in the 40s. Southwest wind 5 to 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St John Temperature Statistics

May Temperature

Pullman / Moscow Regional Airport (32.3 miles)

  • Lowest 17 May, 2026

    34.6 °F

  • Average May

    56.7 °F

  • Highest 12 May, 2026

    85.6 °F

Climate (2021–Present)

Pullman / Moscow Regional Airport (32.3 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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