Montesano Weather Forecast

    • 36
    • 52

    Rain Likely

    • 35
    • 54

    Partly Sunny

    • 36
    • 57

    Partly Sunny

    • 40
    • 54

    Cloudy

    • 39
    • 59

    Mostly Cloudy

    • 41
    • 59

    Chance Rain

Today 30 Oct Lower Chehalis River Valley

Partly sunny with a slight chance of rain Showers in the Morning, then mostly cloudy with a chance of rain Showers in the afternoon. Highs in the lower to mid 50s. East wind to 10 Mph becoming south in the afternoon.

Tonight 30 Oct Lower Chehalis River Valley

Mostly cloudy with a chance of Showers in the Evening, then mostly cloudy with a slight chance of Showers in the late evening and early morning. Partly cloudy in the morning. Lows in the mid 30s to lower 40s. East wind to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Montesano Temperature Statistics

October Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest 23 October, 2026

    35.7 °F

  • Average October

    54.5 °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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