Jefferson County International Airport Weather Forecast

    • 55
    • 75

    Increasing Clouds

    • 56
    • 70

    Rain

    • 56
    • 72

    Rain

    • 54
    • 73

    Rain

    • 53
    • 73

    Chance Rain

    • 53
    • 73

    Mostly Cloudy

    • 53
    • 73

    Partly Sunny

Today 13 Aug Port Townsend Area

Sunny until late afternoon then becoming partly sunny. Highs in the upper 60s to mid 70s. West wind to 10 Mph becoming northwest in the afternoon.

Tonight 13 Aug Port Townsend Area

Mostly cloudy. Lows in the lower to mid 50s. Northwest wind 10 to 15 Mph with Gusts to 25 Mph becoming west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jefferson County International Airport Temperature Statistics

August Temperature

Whidbey Island Naval Air Station - Ault Field (21.7 miles)

  • Lowest 8 August, 2025

    52 °F

  • Average August

    59.8 °F

  • Highest 10 August, 2025

    82 °F

Climate (2020–Present)

Whidbey Island Naval Air Station - Ault Field (21.7 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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