Montesano Weather Forecast

    • 54
    • 70

    Mostly Cloudy

    • 48
    • 69

    Mostly Cloudy

    • 50
    • 69

    Partly Sunny

    • 49
    • 67

    Mostly Cloudy

    • 47
    • 67

    Partly Sunny

    • 49
    • 73

    Partly Sunny

Today 7 Jul Lower Chehalis River Valley

Mostly cloudy. Highs in the mid 60s to lower 70s. West wind 10 to 15 Mph.

Tonight 7 Jul Lower Chehalis River Valley

Mostly cloudy. Lows in the lower to mid 50s. West wind 10 to 15 Mph.

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Montesano Temperature Statistics

July Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest 5 July, 2026

    48.9 °F

  • Average July

    58.9 °F

  • Highest 5 July, 2026

    68 °F

Climate (2021–2026)

Hoquiam, Bowerman Airport (14.9 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    58.6 °F
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