Montesano Weather Forecast

    • 50
    • 70

    Mostly Cloudy

    • 51
    • 68

    Mostly Cloudy

    • 47
    • 74

    Mostly Sunny

    • 51
    • 74

    Partly Sunny

    • 51
    • 68

    Mostly Cloudy

    • 48
    • 68

    Mostly Cloudy

Today 1 Oct Lower Chehalis River Valley

Mostly cloudy. Highs in the mid 60s to lower 70s. Light wind.

Tonight 1 Oct Lower Chehalis River Valley

Mostly cloudy. Lows near 50. Light wind.

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Montesano Temperature Statistics

October Temperature

Hoquiam, Bowerman Airport (14.9 miles)

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  • Average October

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Climate (2021–2026)

Hoquiam, Bowerman Airport (14.9 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    58.6 °F
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