Guemes Island - Boat Harbor Weather Forecast

    • 55
    • 71

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 56
    • 74

    Mostly Sunny

    • 55
    • 71

    Mostly Sunny

Today 3 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Highs in the 70s. Light wind becoming northwest 10 to 15 Mph in the afternoon.

Tonight 3 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows in the 50s. Northwest wind 10 to 15 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Guemes Island - Boat Harbor Temperature Statistics

August Temperature

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

  • Lowest 1 August, 2026

    57.2 °F

  • Average August

    61.2 °F

  • Highest 1 August, 2026

    68 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    59.3 °F
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