Oak Harbor Weather Forecast

    • 54
    • 68

    Gradual Clearing

    • 54
    • 70

    Mostly Cloudy

    • 53
    • 73

    Partly Sunny

    • 53
    • 71

    Mostly Cloudy

    • 54
    • 72

    Partly Sunny

    • 54
    • 73

    Mostly Cloudy

Today 16 Aug Island County

Cloudy in the morning then becoming mostly sunny. Patchy fog in the morning. Highs in the mid 60s to lower 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 16 Aug Island County

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 50s. West wind to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oak Harbor Temperature Statistics

August Temperature

Whidbey Island Naval Air Station - Ault Field (4.3 miles)

  • Lowest 3 August, 2026

    48 °F

  • Average August

    57.3 °F

  • Highest 5 August, 2026

    69.1 °F

Climate (2021–2026)

Whidbey Island Naval Air Station - Ault Field (4.3 miles)

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    56 °F
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