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Coupeville, WA - Penn Cove, Whidbey Island Marine Weather Forecast

Tonight - 56°F
Jul 26, 2026
1 to 7 mph S
Mostly Cloudy
Mostly cloudy. Low around 56, with temperatures rising to around 58 overnight. South wind 1 to 7 mph.
Sunday - 68°F
Jul 26, 2026
5 to 9 mph SSW
Chance Light Rain
A chance of rain. Mostly cloudy. High near 68, with temperatures falling to around 66 in the afternoon. South southwest wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Sunday Night - 54°F
Jul 26, 2026
1 to 5 mph SW
Chance Light Rain then Mostly Cloudy
A chance of rain before 7pm. Mostly cloudy. Low around 54, with temperatures rising to around 56 overnight. Southwest wind 1 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Monday - 72°F
Jul 27, 2026
3 to 8 mph S
Mostly Sunny
Mostly sunny, with a high near 72. South wind 3 to 8 mph.
Monday Night - 54°F
Jul 27, 2026
2 to 8 mph SW
Partly Cloudy
Partly cloudy, with a low around 54. Southwest wind 2 to 8 mph.
Tuesday - 71°F
Jul 28, 2026
8 to 15 mph SW
Partly Sunny then Slight Chance Light Rain
A slight chance of rain after 5pm. Partly sunny, with a high near 71. Chance of precipitation is 20%.
Tuesday Night - 54°F
Jul 28, 2026
7 to 10 mph W
Slight Chance Light Rain then Mostly Cloudy
A slight chance of rain before 11pm. Mostly cloudy, with a low around 54.
Wednesday - 68°F
Jul 29, 2026
9 mph W
Mostly Sunny
Mostly sunny, with a high near 68.
Wednesday Night - 53°F
Jul 29, 2026
5 to 9 mph W
Mostly Clear
Mostly clear, with a low around 53.
Thursday - 70°F
Jul 30, 2026
3 to 9 mph W
Sunny
Sunny, with a high near 70.
Thursday Night - 54°F
Jul 30, 2026
3 to 9 mph W
Mostly Clear
Mostly clear, with a low around 54.
Friday - 71°F
Jul 31, 2026
3 to 10 mph WSW
Sunny
Sunny, with a high near 71.
Friday Night - 54°F
Jul 31, 2026
6 to 10 mph WSW
Partly Cloudy
Partly cloudy, with a low around 54.
Saturday - 70°F
Aug 01, 2026
6 to 13 mph SW
Mostly Sunny
Mostly sunny, with a high near 70.

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