Montesano Weather Forecast

    • 51
    • 65

    Slight Chance Rain Showers

    • 48
    • 63

    Mostly Cloudy

    • 44
    • 58

    Rain Showers

    • 43
    • 59

    Rain Showers Likely

    • 48
    • 67

    Mostly Cloudy

    • 50
    • 63

    Rain Showers Likely

    • 50
    • 67

    Chance Rain Showers

Today 3 Jun Lower Chehalis River Valley

Mostly cloudy. A slight chance of Showers in the morning. Highs in the 60s. Light wind becoming southwest around 10 Mph in the afternoon.

Tonight 3 Jun Lower Chehalis River Valley

Cloudy. A slight chance of rain in the Evening, then a chance of rain late in the evening. A slight chance of rain late in the night. Lows in the lower 50s. West wind around 10 Mph. Gusts to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Montesano Temperature Statistics

June Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest 1 June, 2026

    42.1 °F

  • Average June

    57.9 °F

  • Highest 1 June, 2026

    73 °F

Climate (2021–Present)

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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