Lake Sylvia State Park Weather Forecast

    • 39
    • 46

    Rain Showers

    • 36
    • 48

    Chance Rain Showers

    • 41
    • 49

    Rain

    • 43
    • 49

    Rain Likely

    • 44
    • 53

    Chance Rain

    • 42
    • 55

    Chance Rain

Today 8 Jan Middle Chehalis River Valley

A chance of rain Showers in the Morning, then rain Showers late in the morning. Rain Showers likely in the afternoon. Rainfall Amounts a tenth to a quarter of an inch possible. Highs in the mid to upper 40s. Southwest wind 10 to 15 Mph with Gusts to 25 Mph.

Tonight 8 Jan Middle Chehalis River Valley

Mostly cloudy. A slight chance of rain Showers in the Evening, then a chance of rain Showers after midnight. Lows in the mid 30s to lower 40s. Southwest wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Sylvia State Park Temperature Statistics

January Temperature

Hoquiam, Bowerman Airport (15.5 miles)

  • Lowest 1 January, 2026

    33.1 °F

  • Average January

    43.7 °F

  • Highest 3 January, 2026

    52 °F

Climate (2021–Present)

Hoquiam, Bowerman Airport (15.5 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    58.4 °F
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