Belmont Weather Forecast

    • 45
    • 74

    Decreasing Clouds

    • 44
    • 71

    Partly Sunny

    • 47
    • 80

    Mostly Cloudy

    • 41
    • 67

    Chance Rain Showers

    • 38
    • 60

    Mostly Cloudy

    • 39
    • 62

    Partly Sunny

Today 22 Sep Washington Palouse

Mostly cloudy. Highs in the 70s. Light Wind, becoming southwest 5 to 10 Mph in the Afternoon, Gusts up to 20 Mph in the afternoon.

Tonight 22 Sep Washington Palouse

Mostly clear. Lows in the mid 40s to lower 50s. Southwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Belmont Temperature Statistics

September Temperature

Pullman / Moscow Regional Airport (23.6 miles)

  • Lowest 16 September, 2026

    41.6 °F

  • Average September

    59.7 °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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