Montesano Weather Forecast

    • 49
    • 61

    Rain

    • 50
    • 64

    Chance Rain

    • 51
    • 62

    Mostly Cloudy

    • 51
    • 63

    Mostly Cloudy

    • 49
    • 62

    Mostly Cloudy

    • 47
    • 62

    Mostly Cloudy

    • 48
    • 64

    Chance Rain

Today 26 Jun Lower Chehalis River Valley

Rain likely in the Morning, then rain at Times in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the upper 50s to mid 60s. Southwest wind 10 to 15 Mph.

Tonight 26 Jun Lower Chehalis River Valley

Mostly cloudy. A chance of rain in the Evening, then a slight chance of rain late in the evening. A chance of rain after midnight. Lows near 50. West wind around 10 Mph with Gusts to 20 Mph in the evening becoming light.

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  • Temperature Real-Time

Montesano Temperature Statistics

June Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest 1 June, 2026

    42.7 °F

  • Average June

    59.8 °F

  • Highest 14 June, 2026

    87.7 °F

Climate (2021–2026)

Hoquiam, Bowerman Airport (14.9 miles)

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  • Average Low 2021–2026

    46.4 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    58.7 °F
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