Lopez Island - McArdle Bay Weather Forecast

    • 43
    • 53

    Rain

    • 40
    • 48

    Rain

    • 39
    • 49

    Chance Rain

    • 41
    • 50

    Mostly Cloudy

    • 44
    • 53

    Mostly Cloudy

    • 45
    • 54

    Chance Rain

Today 24 Mar San Juan County

Windy. Rain in the Morning, then cloudy with a chance of rain early in the afternoon. Cloudy 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. Gusts to 40 Mph in the afternoon.

Tonight 24 Mar San Juan County

Rain likely in the Evening, then rain Showers likely and a slight chance of Thunderstorms late in the evening. Rain at Times after midnight. Rainfall Amounts less than a tenth of an inch Likely, except higher Amounts possible in Thunderstorms. Lows near 40. Southwest wind 10 to 20 Mph. Gusts to 35 Mph in the evening.

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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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