Thornton Weather Forecast

    • 44
    • 71

    Mostly Sunny

    • 47
    • 78

    Increasing Clouds

    • 41
    • 63

    Chance Rain Showers

    • 37
    • 60

    Slight Chance Rain Showers

    • 42
    • 69

    Mostly Sunny

    • 46
    • 74

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

Today 1 May Washington Palouse

Sunny. Highs in the upper 60s to mid 70s. East wind 5 to 10 Mph.

Tonight 1 May Washington Palouse

Mostly clear. Lows in the 40s. East wind 5 to 10 Mph.

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Thornton Temperature Statistics

May Temperature

Pullman / Moscow Regional Airport (28.6 miles)

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  • Average May

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Climate (2020–Present)

Pullman / Moscow Regional Airport (28.6 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    49.1 °F

  • Average High 2020–2025

    58.9 °F
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