Kettle Falls Weather Forecast

    • 45
    • 80

    Increasing Clouds

    • 42
    • 73

    Partly Sunny

    • 47
    • 75

    Mostly Cloudy

    • 40
    • 67

    Chance Rain Showers

    • 38
    • 63

    Mostly Cloudy

    • 38
    • 63

    Mostly Cloudy

Today 22 Sep Northeast Mountains

Mostly cloudy. Highs in the 70s.

Tonight 22 Sep Northeast Mountains

Partly cloudy. Lows in the 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Kettle Falls Temperature Statistics

September Temperature

Deer Park, Deer Park Airport (52.2 miles)

  • Lowest 19 September, 2026

    39 °F

  • Average September

    58.6 °F

  • Highest 1 September, 2026

    81.6 °F

Climate (2021–2026)

Deer Park, Deer Park Airport (52.2 miles)

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  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    60.2 °F
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