Cow Lake Weather Forecast

    • 48
    • 76

    Increasing Clouds

    • 52
    • 81

    Mostly Cloudy

    • 44
    • 70

    Rain Showers

    • 42
    • 65

    Partly Sunny

    • 42
    • 67

    Mostly Cloudy

    • 43
    • 68

    Partly Sunny

Today 23 Sep Upper Columbia Basin

Mostly cloudy in the Morning, becoming partly cloudy. Highs in the lower to mid 70s. South wind 5 to 10 Mph.

Tonight 23 Sep Upper Columbia Basin

Partly cloudy. Lows in the mid 40s to lower 50s. Light Wind, becoming northeast 5 to 10 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cow Lake Temperature Statistics

September Temperature

Fairchild Air Force Base (41 miles)

  • Lowest 5 September, 2026

    43.7 °F

  • Average September

    60.1 °F

  • Highest 21 September, 2026

    84 °F

Climate (2021–2026)

Fairchild Air Force Base (41 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    58.6 °F
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