Montesano Weather Forecast

    • 46
    • 49

    Rain

    • 46
    • 52

    Rain

    • 46
    • 52

    Rain

    • 45
    • 56

    Rain

    • 42
    • 53

    Rain

    • 42
    • 52

    Rain Likely

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    • 56

    Mostly Cloudy

Today 28 Jan Lower Chehalis River Valley

Mostly cloudy with a chance of rain in the Morning, then rain at Times in the afternoon. Rainfall Amounts a quarter to a half inch possible. Highs near 50. South wind 10 to 15 Mph with Gusts to 30 Mph.

Tonight 28 Jan Lower Chehalis River Valley

Rain. Rainfall Amounts a half inch to one inch possible. Lows in the mid to upper 40s. South wind 10 to 15 Mph becoming southeast 10 to 20 Mph after midnight. Gusts to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Montesano Temperature Statistics

January Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest 25 January, 2026

    28 °F

  • Average January

    44.3 °F

  • Highest 17 January, 2026

    58.6 °F

Climate (2021–Present)

Hoquiam, Bowerman Airport (14.9 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    58.4 °F
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