Chehalis River - Montesano Weather Forecast

    • 44
    • 77

    Mostly Sunny

    • 44
    • 64

    Chance Rain

    • 39
    • 59

    Slight Chance Rain

    • 39
    • 64

    Mostly Sunny

    • 44
    • 71

    Partly Sunny

    • 46
    • 73

    Partly Sunny

    • 43
    • 67

    Slight Chance Rain

Today 1 May Lower Chehalis River Valley

Sunny. Highs in the 70s. East wind to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 1 May Lower Chehalis River Valley

Clear until early morning then becoming partly cloudy. Lows in the lower to mid 40s. West wind around 10 Mph in the evening becoming light.

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Chehalis River - Montesano Temperature Statistics

May Temperature

Hoquiam, Bowerman Airport (14.9 miles)

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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

    58.3 °F
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