Temperature
Pleasant by day, brisk at night.
68°Ftypical Aug high
Typical range
Anacortes is most comfortable during summer. Summers are mild and winters are cool. Humidity is usually low.

Pleasant by day, brisk at night.
One of the driest months, with very little rain.
Very sunny skies.
It rarely feels hot or humid.
In August, afternoons feel about 66° and nights feel near 59°.
Partly cloudy across the month.
August late afternoons are around 68°F, easing to about 65°F in early evening.
Calm winds are typical in August.
Want a side-by-side climate view? Compare Anacortes with New York City.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 11, 2026
Data & methodology