Guemes Island - Boat Harbor Weather Forecast

    • 55
    • 72

    Decreasing Clouds

    • 54
    • 70

    Mostly Sunny

    • 55
    • 72

    Mostly Sunny

    • 58
    • 77

    Partly Sunny

    • 58
    • 78

    Partly Sunny

    • 55
    • 74

    Partly Sunny

Today 19 Jun Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Highs in the 70s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 19 Jun Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows in the 50s. Light wind.

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Guemes Island - Boat Harbor Temperature Statistics

June Temperature

Burlington/Mount Vernon, Skagit Regional Airport (8.7 miles)

  • Lowest 1 June, 2026

    42.8 °F

  • Average June

    59.2 °F

  • Highest 14 June, 2026

    82.4 °F

Climate (2021–2026)

Burlington/Mount Vernon, Skagit Regional Airport (8.7 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    59.5 °F
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