National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Whidbey Island Naval Air Station - Ault Field (KNUW)

Lat: 48.35525°NLon: 122.66352°WElev: 43.0ft.

Partly Cloudy

59°F

15°C

Humidity 77%
Wind Speed WSW 3 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Sep 06:53 PM PDT
Extended Forecast for

Oak Harbor WA

  • Tonight

    Tonight: Increasing clouds, with a low around 51. Calm wind.

    Low: 51 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.

    High: 65 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 51. West northwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 65 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 51. Calm wind.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 51. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 51. West northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 66.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 51.
Friday
A chance of rain. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oak Harbor WA
 48.29°N 122.66°W (Elev. 20 ft)
Last Update:
1:27 pm PDT Sep 18, 2026
Forecast Valid:
7pm PDT Sep 18, 2026-6pm PDT Sep 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation