Chehalis River - Montesano Weather Forecast

    • 53
    • 67

    Increasing Clouds

    • 52
    • 67

    Mostly Cloudy

    • 54
    • 71

    Mostly Cloudy

    • 55
    • 73

    Partly Sunny

    • 55
    • 73

    Mostly Cloudy

    • 54
    • 70

    Mostly Cloudy

Today 19 Jul Lower Chehalis River Valley

Cloudy in the morning then becoming partly sunny. Highs in the 60s to lower 70s. Light wind becoming west around 10 Mph with Gusts to 20 Mph in the afternoon.

Tonight 19 Jul Lower Chehalis River Valley

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

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Chehalis River - Montesano Temperature Statistics

July Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest 4 July, 2025

    48.7 °F

  • Average July

    60.4 °F

  • Highest 15 July, 2025

    78.1 °F

Climate (2020–Present)

Hoquiam, Bowerman Airport (14.9 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    58.4 °F
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