Montesano Weather Forecast

    • 56
    • 72

    Increasing Clouds

    • 50
    • 69

    Rain Likely

    • 49
    • 73

    Partly Sunny

    • 49
    • 73

    Mostly Sunny

    • 54
    • 78

    Partly Sunny

    • 52
    • 72

    Partly Sunny

Today 27 Jul Lower Chehalis River Valley

Cloudy in the morning then becoming partly sunny. Patchy fog in the morning. Highs in the upper 60s to mid 70s. Light wind becoming southwest around 10 Mph in the afternoon.

Tonight 27 Jul Lower Chehalis River Valley

Cloudy until early Morning, then a chance of rain in the morning. Patchy fog after midnight. Lows in the mid to upper 50s. Southwest wind to 10 Mph becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Montesano Temperature Statistics

July Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest 6 July, 2026

    47.6 °F

  • Average July

    61.1 °F

  • Highest 21 July, 2026

    79.6 °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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