Northwest Island Weather Forecast

    • 53
    • 71

    Partly Sunny

    • 53
    • 73

    Mostly Sunny

    • 52
    • 71

    Mostly Sunny

    • 54
    • 73

    Mostly Sunny

    • 56
    • 77

    Partly Sunny

    • 55
    • 77

    Partly Sunny

Today 18 Jun Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Highs in the 70s. Northwest wind to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 18 Jun Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy. Lows in the lower to mid 50s. Northwest wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

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Northwest Island Temperature Statistics

June Temperature

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

  • Lowest 1 June, 2026

    42.1 °F

  • Average June

    56 °F

  • Highest 14 June, 2026

    73.9 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    56.1 °F
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