Garrett Weather Forecast

    • 45
    • 74

    Decreasing Clouds

    • 45
    • 74

    Chance Rain Showers

    • 48
    • 75

    Rain Showers Likely

    • 48
    • 76

    Chance Rain Showers

    • 49
    • 81

    Partly Sunny

    • 52
    • 85

    Partly Sunny

    • 54
    • 87

    Partly Sunny

Today 4 Sep Foothills of the Blue Mountains of Washington

Partly cloudy with a 20 percent chance of rain Showers. Highs in the lower to mid 70s. Light wind.

Tonight 4 Sep Foothills of the Blue Mountains of Washington

Partly cloudy. Lows in the mid to upper 40s. East wind 5 to 10 Mph in the Evening, becoming light.

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Garrett Temperature Statistics

September Temperature

Walla Walla Regional Airport (6.2 miles)

  • Lowest 2 September, 2026

    57.9 °F

  • Average September

    68.6 °F

  • Highest 1 September, 2026

    80.1 °F

Climate (2021–2026)

Walla Walla Regional Airport (6.2 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    64.5 °F
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