Port Townsend Weather Forecast

    • 55
    • 69

    Chance Rain

    • 54
    • 70

    Rain Likely

    • 54
    • 68

    Rain Likely

    • 54
    • 69

    Chance Rain

    • 54
    • 70

    Slight Chance Rain

    • 54
    • 71

    Chance Rain

Today 7 Sep Port Townsend Area

Mostly cloudy with a chance of Showers. Highs in the mid 60s to lower 70s. Light wind becoming north to 10 Mph in the afternoon.

Tonight 7 Sep Port Townsend Area

Mostly cloudy. A chance of Showers in the Evening, then a slight chance of Showers late in the evening. A chance of Showers after midnight. Lows in the upper 40s to mid 50s. Northwest wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Townsend Temperature Statistics

September Temperature

Whidbey Island Naval Air Station - Ault Field (16.8 miles)

  • Lowest 3 September, 2025

    52 °F
  • Average September

    56.7 °F
  • Highest 1 September, 2025

    62.1 °F

Climate (2020–Present)

Whidbey Island Naval Air Station - Ault Field (16.8 miles)

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  • Average Low 2020–2025

    44.6 °F
  • Average 2020–2025

    50.2 °F
  • Average High 2020–2025

    56.2 °F
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