Morrow Lake Weather Forecast

    • 50
    • 78

    Increasing Clouds

    • 49
    • 76

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

    • 53
    • 69

    Chance Rain

    • 50
    • 69

    Chance Rain

    • 50
    • 71

    Chance Rain

Today 17 Sep Middle Chehalis River Valley

Partly sunny. Highs in the upper 60s to mid 70s. Light wind becoming west around 10 Mph with Gusts to 20 Mph in the afternoon.

Tonight 17 Sep Middle Chehalis River Valley

Mostly cloudy. Lows near 50. West wind around 10 Mph with Gusts to 20 Mph in the evening becoming light.

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Morrow Lake Temperature Statistics

September Temperature

Shelton, Shelton Sanderson Field (8.1 miles)

  • Lowest 8 September, 2025

    52 °F

  • Average September

    62.4 °F

  • Highest 3 September, 2025

    84 °F

Climate (2020–Present)

Shelton, Shelton Sanderson Field (8.1 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    61.2 °F
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