Lake Sylvia State Park Weather Forecast

    • 31
    • 47

    Partly Sunny

    • 33
    • 49

    Rain Likely

    • 42
    • 48

    Rain Likely

    • 48
    • 53

    Rain

    • 41
    • 52

    Rain

    • 36
    • 49

    Chance Rain

Today 3 Dec Lower Chehalis Valley Area

Mostly sunny. Patchy fog in the morning. Highs in the mid 40s to lower 50s. Light wind.

Tonight 3 Dec Lower Chehalis Valley Area

Mostly clear. Lows in the 30s. Light wind.

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Lake Sylvia State Park Temperature Statistics

December Temperature

Hoquiam, Bowerman Airport (15.5 miles)

  • Lowest 1 December, 2024

    30.9 °F

  • Average December

    37.9 °F

  • Highest 1 December, 2024

    50 °F

Climate (2019–Present)

Hoquiam, Bowerman Airport (15.5 miles)

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  • Average Low 2019–2024

    46.3 °F

  • Average 2019–2024

    52 °F

  • Average High 2019–2024

    58.2 °F
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