Montesano Weather Forecast

    • 44
    • 59

    Rain

    • 42
    • 58

    Rain Showers Likely

    • 47
    • 62

    Mostly Cloudy

    • 47
    • 61

    Rain Likely

    • 46
    • 62

    Rain Likely

    • 47
    • 64

    Chance Rain

    • 48
    • 70

    Partly Sunny

Today 5 Jun Lower Chehalis River Valley

Mostly cloudy. Showers through the day. A slight chance of Thunderstorms in the afternoon. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Highs in the mid 50s to lower 60s. Southwest wind to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 5 Jun Lower Chehalis River Valley

Mostly cloudy. A chance of rain in the Evening, then rain likely after midnight. Showers and a slight chance of Thunderstorms late in the night. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Lows in the 40s. West wind 10 to 15 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

    61.2 °F

  • Highest 2 June, 2026

    82.7 °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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