Montesano Weather Forecast

    • 48
    • 68

    Decreasing Clouds

    • 49
    • 77

    Mostly Sunny

    • 49
    • 77

    Partly Sunny

    • 52
    • 69

    Mostly Cloudy

    • 49
    • 67

    Slight Chance Rain

    • 48
    • 70

    Partly Sunny

Today 4 Jul Lower Chehalis River Valley

Cloudy in the morning then becoming mostly sunny. Highs in the 60s to lower 70s. Light wind becoming west 10 to 15 Mph in the afternoon.

Tonight 4 Jul Lower Chehalis River Valley

Partly cloudy. Lows in the mid 40s to lower 50s. West wind around 10 Mph becoming northwest to 10 Mph after midnight. Gusts to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Montesano Temperature Statistics

July Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest 1 July, 2026

    53.7 °F

  • Average July

    57.7 °F

  • Highest 1 July, 2026

    62.7 °F

Climate (2021–2026)

Hoquiam, Bowerman Airport (14.9 miles)

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  • Average Low 2021–2026

    46.4 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    58.6 °F
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