Montesano Weather Forecast

    • 49
    • 79

    Increasing Clouds

    • 51
    • 81

    Increasing Clouds

    • 52
    • 77

    Chance Rain

    • 55
    • 77

    Chance Rain

    • 54
    • 76

    Partly Sunny

    • 54
    • 78

    Partly Sunny

    • 54
    • 80

    Partly Sunny

Today 13 Jul Lower Chehalis River Valley

Sunny. Patchy fog in the morning. Highs in the 70s to lower 80s. Light wind becoming west to 10 Mph with Gusts to 20 Mph in the afternoon.

Tonight 13 Jul Lower Chehalis River Valley

Mostly clear. Lows near 50. Northwest wind to 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

    59.1 °F

  • Highest 5 July, 2026

    69.7 °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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