Washington · NWS SEW office

Oak Harbor, WA weather

It is 45°F and mostly cloudy at Whidbey Island Naval Air Station - Ault Field as of Oct 28, 1:53 AM PDT. Overnight: Light Rain Likely, low near 39°F, 71% chance of precipitation. Forecast from the National Weather Service, issued Oct 27, 11:27 PM PDT.

Updated Oct 28, 2:28 AM PDT (snapshot)

Current conditions

Temperature

45°F

Mostly Cloudy · feels like 41°F

Wind

S 7 mph

Humidity 93% · dew point 43°F

Pressure · visibility

29.84 inHg

Visibility 10 mi

Observed at Whidbey Island Naval Air Station - Ault Field (KNUW), Oct 28, 1:53 AM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Oak Harbor forecast zone right now.

Around the NWS SEW forecast area

No active alerts in zones served by the SEW office near Oak Harbor.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. Washington has 5 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Oak Harbor (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM43°FChance Light Rain48%SW 3 mph
Wed 5 AM44°FLight Rain Likely66%SW 3 mph
Wed 6 AM44°FLight Rain Likely68%SW 5 mph
Wed 7 AM44°FLight Rain Likely65%SW 5 mph
Wed 8 AM44°FLight Rain Likely55%SW 3 mph
Wed 9 AM45°FChance Light Rain50%SW 5 mph
Wed 10 AM47°FChance Light Rain37%SW 6 mph
Wed 11 AM49°FChance Light Rain43%SSW 6 mph
Wed 12 PM49°FChance Light Rain33%S 6 mph
Wed 1 PM51°FChance Light Rain25%SE 5 mph
Wed 2 PM51°FSlight Chance Light Rain18%SE 5 mph
Wed 3 PM51°FSlight Chance Light Rain17%SE 5 mph
Wed 4 PM51°FSlight Chance Light Rain20%SE 5 mph
Wed 5 PM50°FChance Light Rain30%ESE 7 mph
Wed 6 PM49°FChance Light Rain39%ESE 7 mph
Wed 7 PM46°FChance Light Rain42%ESE 7 mph
Wed 8 PM45°FChance Light Rain34%ESE 8 mph
Wed 9 PM45°FChance Light Rain31%ESE 8 mph
Wed 10 PM44°FMostly Cloudy7%ESE 8 mph
Wed 11 PM44°FCloudy5%ESE 10 mph
Thu 12 AM43°FChance Light Rain25%ESE 10 mph
Thu 1 AM42°FChance Light Rain34%ESE 10 mph
Thu 2 AM42°FChance Light Rain33%SE 10 mph
Thu 3 AM43°FChance Light Rain32%SE 10 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Oak Harbor can differ.

7-day forecast

Overnight

Low 39°F

Rain likely. Mostly cloudy. Low around 39, with temperatures rising to around 43 overnight. Southwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday

High 52°F·Low 38°F

Rain. Partly sunny. High near 52, with temperatures falling to around 50 in the afternoon. South wind 0 to 7 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

Wednesday Night: Rain likely. Mostly cloudy. Low around 38, with temperatures rising to around 43 overnight. East southeast wind 3 to 15 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Thursday

High 52°F·Low 37°F

A chance of rain. Partly sunny, with a high near 52. East southeast wind 6 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night: A chance of rain. Mostly cloudy, with a low around 37. East wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Friday

High 51°F·Low 36°F

A chance of rain before 5pm. Mostly cloudy, with a high near 51. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Friday Night: A slight chance of rain between 11pm and 5am. Mostly cloudy, with a low around 36.

Saturday

High 52°F·Low 37°F

Partly sunny, with a high near 52.

Saturday Night: Mostly cloudy, with a low around 37.

Sunday

High 52°F·Low 38°F

Partly sunny, with a high near 52.

Sunday Night: Mostly cloudy, with a low around 38.

Monday

High 53°F·Low 39°F

Mostly cloudy, with a high near 53.

Monday Night: A slight chance of rain between 10pm and 4am. Mostly cloudy, with a low around 39.

Tuesday

High 54°F

Partly sunny, with a high near 54.

Nearby cities

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About this forecast

Forecast office
Oak Harbor is served by the National Weather Service SEW forecast office, forecast zone WAZ333, county zone WAC029.
Location used
The Census Bureau's internal point for Oak Harbor (48.2938, -122.6282), in Island County. Population: 24,163 (2024 estimate), number 49 of the 58 Washington cities on this site.
Radar
Nearest NWS radar: KATX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/48.2938,-122.6282 (forecast issued Oct 27, 11:27 PM PDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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