Chehalis River - Sand Island Weather Forecast

    • 51
    • 71

    Increasing Clouds

    • 52
    • 70

    Partly Sunny

    • 58
    • 76

    Partly Sunny

    • 53
    • 66

    Slight Chance Rain

    • 51
    • 70

    Partly Sunny

    • 54
    • 78

    Mostly Sunny

Today 29 Jul Lower Chehalis River Valley

Mostly cloudy in the morning then becoming sunny. Areas of fog in the Morning, then patchy fog late in the morning. Highs in the upper 60s to mid 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 29 Jul Lower Chehalis River Valley

Partly cloudy. Lows near 50. West wind around 10 Mph in the evening becoming light.

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Chehalis River - Sand Island Temperature Statistics

July Temperature

Hoquiam, Bowerman Airport (8.7 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 (8.7 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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