Chehalis River - Montesano Weather Forecast

    • 35
    • 55

    Increasing Clouds

    • 29
    • 48

    Rain Likely

    • 30
    • 53

    Partly Sunny

    • 38
    • 54

    Rain

    • 38
    • 50

    Rain

    • 36
    • 54

    Rain

    • 37
    • 56

    Chance Rain

Today 28 Mar Lower Chehalis River Valley

Partly sunny. Highs in the 50s. Light wind becoming west to 10 Mph with Gusts to 20 Mph in the afternoon.

Tonight 28 Mar Lower Chehalis River Valley

Partly cloudy until early Morning, then mostly cloudy with a slight chance of rain late in the night. Lows in the 30s. West wind to 10 Mph with Gusts to 20 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chehalis River - Montesano Temperature Statistics

March Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest 26 March, 2026

    32 °F

  • Average March

    46.2 °F

  • Highest 1 March, 2026

    59.6 °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

    58.6 °F
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