Hat Island Weather Forecast

    • 53
    • 61

    Breezy

    • 50
    • 58

    Rain

    • 50
    • 57

    Partly Sunny

    • 51
    • 60

    Partly Sunny

    • 51
    • 62

    Partly Sunny

    • 49
    • 57

    Mostly Cloudy

Today 24 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly sunny. Highs in the mid 60s to lower 70s. South wind to 10 Mph becoming southwest in the afternoon.

Tonight 24 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 50s. South wind to 10 Mph increasing to southeast 10 to 20 Mph with Gusts to 30 Mph after midnight.

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Hat Island Temperature Statistics

May Temperature

Burlington/Mount Vernon, Skagit Regional Airport (6.8 miles)

  • Lowest 16 May, 2026

    42.8 °F

  • Average May

    55.8 °F

  • Highest 4 May, 2026

    78.8 °F

Climate (2021–Present)

Burlington/Mount Vernon, Skagit Regional Airport (6.8 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.6 °F
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