Porter Weather Forecast

    • 46
    • 53

    Rain

    • 44
    • 57

    Chance Rain

    • 45
    • 57

    Rain

    • 48
    • 54

    Rain

    • 44
    • 58

    Rain

    • 38
    • 52

    Rain

    • 38
    • 48

    Rain

Today 11 Dec Middle Chehalis River Valley

Patchy fog through the day. Rain at Times in the morning. Rain likely in the afternoon. Rainfall Amounts a tenth to a quarter of an inch possible. Highs in the lower to mid 50s. West wind to 10 Mph in the morning becoming light.

Tonight 11 Dec Middle Chehalis River Valley

Patchy fog. Rain in the evening. Rain likely after midnight. Rainfall Amounts a quarter to a half inch possible. Lows in the mid to upper 40s. Light wind.

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Porter Temperature Statistics

December Temperature

Olympia, Olympia Airport (19.3 miles)

  • Lowest 1 December, 2025

    30.9 °F

  • Average December

    46.1 °F

  • Highest 5 December, 2025

    55.9 °F

Climate (2020–Present)

Olympia, Olympia Airport (19.3 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    62.1 °F
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