Montesano Weather Forecast

    • 25
    • 44

    Chance Rain/Snow

    • 34
    • 43

    Rain/Snow Likely

    • 38
    • 46

    Rain

    • 39
    • 52

    Rain

    • 37
    • 49

    Rain

    • 36
    • 51

    Rain

Today 19 Feb Lower Chehalis River Valley

Partly sunny. A slight chance of snow Showers in the morning. A chance of rain Showers through the day. Snow level near 500 feet in the morning. Highs in the mid 40s. Northeast wind around 10 Mph in the morning becoming light.

Tonight 19 Feb Lower Chehalis River Valley

Mostly cloudy. A chance of rain and snow Showers until early Morning, then a chance of snow Showers in the morning. Snow level near 1000 feet decreasing to 100 feet after midnight. Lows in the 20s to lower 30s. Light wind.

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Montesano Temperature Statistics

February Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest 15 February, 2026

    32 °F

  • Average February

    46.7 °F

  • Highest 4 February, 2026

    61.6 °F

Climate (2021–Present)

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

    58.5 °F
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