Montesano Weather Forecast

    • 56
    • 74

    Decreasing Clouds

    • 57
    • 67

    Rain Likely

    • 54
    • 68

    Rain Likely

    • 54
    • 73

    Mostly Cloudy

    • 53
    • 71

    Chance Rain

    • 51
    • 74

    Partly Sunny

Today 24 Jul Lower Chehalis River Valley

Mostly cloudy until late afternoon then becoming mostly sunny. Patchy fog in the morning. Highs in the upper 60s to mid 70s. Light wind becoming west around 10 Mph with Gusts to 20 Mph in the afternoon.

Tonight 24 Jul Lower Chehalis River Valley

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid to upper 50s. West wind around 10 Mph with Gusts to 20 Mph in the evening becoming light.

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Montesano Temperature Statistics

July Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest 6 July, 2026

    47.6 °F

  • Average July

    60.7 °F

  • Highest 21 July, 2026

    79.6 °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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