Thornton Weather Forecast

    • 48
    • 73

    Mostly Sunny

    • 51
    • 83

    Chance Rain Showers

    • 44
    • 69

    Chance Rain Showers

    • 48
    • 72

    Mostly Sunny

    • 55
    • 84

    Mostly Sunny

    • 52
    • 83

    Mostly Sunny

    • 52
    • 80

    Sunny

Today 24 May Washington Palouse

Sunny. Highs in the 70s. Light wind.

Tonight 24 May Washington Palouse

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thornton Temperature Statistics

May Temperature

Pullman / Moscow Regional Airport (28.6 miles)

  • Lowest 5 May, 2025

    30.8 °F
  • Average May

    52.5 °F
  • Highest 2 May, 2025

    80.7 °F

Climate (2020–Present)

Pullman / Moscow Regional Airport (28.6 miles)

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  • Average Low 2020–2025

    39.1 °F
  • Average 2020–2025

    49.1 °F
  • Average High 2020–2025

    58.9 °F
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