Montesano Weather Forecast

    • 44
    • 55

    Rain

    • 41
    • 59

    Chance Rain

    • 41
    • 57

    Rain

    • 37
    • 54

    Rain

    • 35
    • 53

    Rain Likely

    • 34
    • 55

    Mostly Cloudy

Today 25 Oct Lower Chehalis River Valley

Rain in the Morning, then rain likely in the late morning and early afternoon. Rain late in the afternoon. Rainfall Amounts a quarter to a half inch possible. Highs in the 50s. East wind 10 to 15 Mph becoming southeast in the afternoon. Gusts to 25 Mph.

Tonight 25 Oct Lower Chehalis River Valley

Rain at Times in the Evening, then rain likely after midnight. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the 40s. East wind 10 to 15 Mph with Gusts to 25 Mph.

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  • Temperature Real-Time

Montesano Temperature Statistics

October Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest 23 October, 2026

    36 °F

  • Average October

    55.2 °F

  • Highest 3 October, 2026

    73.7 °F

Climate (2021–2026)

Hoquiam, Bowerman Airport (14.9 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    58.7 °F
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