Hurricanes and Tornadoes That Hit Oak Harbor, WA

The nearest NOAA station with 1991–2020 climate normals is Whidbey Island NAS, WA, 3 miles north of Oak Harbor at 47 feet. August is the warmest, with an average high of 70°F and low of 54°F; December is the coolest, at 49°F and 38°F. November is the wettest at 3.1 inches of precipitation on average and July the driest at 0.6 inches; the year adds up to 19.9 inches over 63 days with at least a tenth of an inch. Highs of 90°F are rare: fewer than one day a year on average. Lows fall below freezing on about 40 nights a year. Snowfall averages 5.4 inches a year, most of it in December. That 19.9 inches is more than at 35 of the 86 Washington stations used on this site (41%). Coupeville, 7 miles south, has its own station (Coupeville 1 S, WA): 21.8 inches a year, 1.9 more than here, and an August average high of 71°F against 70°F.

Water temperature at the NOAA tide station Port Townsend, WA, 14 miles south, averaged 53°F in August and 46°F in February over 2021–2025. No month averaged 80°F. Sea level at the Port Townsend tide gauge, 14 miles from Oak Harbor, has risen 0.72 ± 0.11 inches per decade from 1972 to 2025, NOAA's linear trend; at that pace it is 7.2 inches in a hundred years. That is faster than at 34 of the 144 U.S. gauges with a NOAA trend.

Flood insurance policyholders in Oak Harbor's 2 ZIP codes have filed 39 claims with the National Flood Insurance Program since 1983, and were paid $698,000 for buildings and contents, in the dollars of each year. 3% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 128 Washington cities on this site with 10 or more claims, 49 have fewer than Oak Harbor.