Porter Weather Forecast

    • 48
    • 77

    Decreasing Clouds

    • 49
    • 76

    Partly Sunny

    • 56
    • 83

    Chance Rain

    • 50
    • 70

    Chance Rain

    • 49
    • 74

    Partly Sunny

    • 53
    • 84

    Mostly Sunny

Today 29 Jul Middle Chehalis River Valley

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 29 Jul Middle Chehalis River Valley

Mostly clear. Patchy fog in the morning. Lows in the mid 40s to lower 50s. West wind around 10 Mph in the evening becoming light.

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Porter Temperature Statistics

July Temperature

Olympia, Olympia Airport (19.3 miles)

  • Lowest 13 July, 2026

    43.6 °F

  • Average July

    64.8 °F

  • Highest 21 July, 2026

    96.7 °F

Climate (2021–2026)

Olympia, Olympia Airport (19.3 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.2 °F
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