Lopez Island - Cape Saint Mary Weather Forecast

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    Rain

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    Rain

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    Rain

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    Rain

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    Chance Rain

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    Rain

Today 14 Mar San Juan County

Mostly cloudy. A chance of rain in the Morning, then a slight chance of rain late in the morning. Highs in the mid 40s to lower 50s. Southeast wind 10 to 20 Mph becoming east 10 to 15 Mph in the afternoon.

Tonight 14 Mar San Juan County

Cloudy. A slight chance of rain late in the evening. A chance of rain after Midnight, then rain likely in the morning. Rainfall Amounts less than a tenth of an inch likely. Lows in the mid 30s to lower 40s. Northeast wind around 10 Mph becoming southeast 10 to 20 Mph after midnight.

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Lopez Island - Cape Saint Mary Temperature Statistics

March Temperature

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

  • Lowest 1 March, 2025

    36 °F

  • Average March

    45.6 °F

  • Highest 8 March, 2025

    54 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    44.7 °F

  • Average 2020–2025

    50.3 °F

  • Average High 2020–2025

    56.3 °F
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