Montesano Weather Forecast

    • 58
    • 90

    Decreasing Clouds

    • 59
    • 92

    Chance Rain Showers

    • 58
    • 68

    Chance Rain Showers

    • 56
    • 70

    Mostly Cloudy

    • 55
    • 68

    Mostly Cloudy

    • 54
    • 70

    Chance Rain Showers

Today 21 Jul Lower Chehalis River Valley

Partly sunny. Patchy fog in the morning. Highs in the 80s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 21 Jul Lower Chehalis River Valley

Partly cloudy. Lows in the mid 50s to lower 60s. West wind to 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Montesano Temperature Statistics

July Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest 6 July, 2026

    47.6 °F

  • Average July

    59.7 °F

  • Highest 13 July, 2026

    75.7 °F

Climate (2021–2026)

Hoquiam, Bowerman Airport (14.9 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    58.6 °F
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