Montesano Weather Forecast

    • 48
    • 64

    Increasing Clouds

    • 44
    • 59

    Rain

    • 42
    • 58

    Rain

    • 47
    • 64

    Rain Likely

    • 48
    • 61

    Rain Showers

    • 47
    • 63

    Rain Likely

    • 49
    • 65

    Chance Rain

Today 4 Jun Lower Chehalis River Valley

Mostly cloudy in the morning then becoming mostly sunny. Highs in the 60s. West wind around 10 Mph.

Tonight 4 Jun Lower Chehalis River Valley

Mostly cloudy until early Morning, then a slight chance of rain late in the night. Lows near 50. West wind around 10 Mph in the evening becoming light.

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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

    42.7 °F

  • Average June

    61.1 °F

  • Highest 2 June, 2026

    80.1 °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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