Porter Weather Forecast

    • 28
    • 48

    Increasing Clouds

    • 38
    • 47

    Rain

    • 43
    • 58

    Rain

    • 48
    • 56

    Rain

    • 48
    • 57

    Rain

    • 47
    • 60

    Rain Likely

Today 14 Mar Middle Chehalis River Valley

Sunny. Highs in the mid 40s to lower 50s. West wind 10 to 15 Mph. Gusts to 20 Mph increasing to 30 Mph in the afternoon.

Tonight 14 Mar Middle Chehalis River Valley

Partly cloudy in the evening then becoming mostly cloudy. Lows near 30. West wind 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Porter Temperature Statistics

March Temperature

Olympia, Olympia Airport (19.3 miles)

  • Lowest 2 March, 2026

    25.6 °F

  • Average March

    45.2 °F

  • Highest 2 March, 2026

    61.6 °F

Climate (2021–Present)

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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