Montesano Weather Forecast

    • 27
    • 50

    Mostly Sunny

    • 34
    • 45

    Increasing Clouds

    • 39
    • 44

    Rain

    • 33
    • 48

    Rain

    • 29
    • 41

    Snow Showers

    • 27
    • 40

    Snow Showers

    • 27
    • 39

    Chance Rain/Snow

Today 28 Jan Lower Chehalis Valley Area

Sunny. Highs in the mid 40s to lower 50s. Light wind.

Tonight 28 Jan Lower Chehalis Valley Area

Mostly clear. Patchy fog late in the night. Lows in the mid 20s to lower 30s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Montesano Temperature Statistics

January Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest 21 January, 2025

    25.8 °F

  • Average January

    41.3 °F

  • Highest 9 January, 2025

    54.6 °F

Climate (2020–Present)

Hoquiam, Bowerman Airport (14.9 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    58.2 °F
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