Lopez Island - McArdle Bay Weather Forecast

    • 43
    • 53

    Rain

    • 40
    • 48

    Rain

    • 39
    • 49

    Chance Rain

    • 42
    • 50

    Mostly Cloudy

    • 43
    • 51

    Mostly Cloudy

    • 43
    • 52

    Chance Rain

Today 24 Mar San Juan County

Windy. Becoming partly sunny late in the afternoon. Rain in the Morning, then rain likely early in the afternoon. A slight chance of rain late in the afternoon. Rainfall Amounts a quarter to a half inch possible. Highs in the lower to mid 50s. Southeast wind 15 to 30 Mph.

Tonight 24 Mar San Juan County

Breezy. Mostly cloudy. A chance of rain in the Evening, then rain likely and a slight chance of Thunderstorms after midnight. Rainfall Amounts less than a tenth of an inch Likely, except higher Amounts possible in Thunderstorms. Lows near 40. Southwest wind 15 to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lopez Island - McArdle Bay Temperature Statistics

March Temperature

Whidbey Island Naval Air Station - Ault Field (8.7 miles)

  • Lowest 1 March, 2026

    32 °F

  • Average March

    45.6 °F

  • Highest 18 March, 2026

    57.9 °F

Climate (2021–Present)

Whidbey Island Naval Air Station - Ault Field (8.7 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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