Porter Weather Forecast

    • 34
    • 56

    Rain

    • 32
    • 54

    Rain Likely

    • 30
    • 54

    Chance Rain

    • 30
    • 56

    Chance Rain

    • 32
    • 59

    Mostly Cloudy

    • 34
    • 60

    Mostly Cloudy

Today 28 Oct Middle Chehalis River Valley

Rain Showers likely in the Morning, then a chance of rain Showers late in the morning. Rain Showers likely in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the lower to mid 50s. Southwest wind to 10 Mph.

Tonight 28 Oct Middle Chehalis River Valley

A chance of rain Showers in the Evening, then rain Showers likely in the late evening and early morning. Rain Showers in the morning. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the mid 30s to lower 40s. Light wind.

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Porter Temperature Statistics

October Temperature

Olympia, Olympia Airport (19.3 miles)

  • Lowest 12 October, 2026

    28.7 °F

  • Average October

    52.8 °F

  • Highest 16 October, 2026

    79.6 °F

Climate (2021–2026)

Olympia, Olympia Airport (19.3 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    62.4 °F
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