Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Friday Harbor Airport (KFHR)

Lat: 48.52°NLon: 123.02637°WElev: 112.0ft.

Clear

34°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 15 Apr 05:00 AM PDT
Extended Forecast for

5 Miles S Friday Harbor WA

  • Overnight

    Overnight: A 30 percent chance of rain.  Mostly cloudy, with a low around 38. West southwest wind around 8 mph.

    Low: 38 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 49. West southwest wind 6 to 8 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 49 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. West wind around 6 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 52. Light and variable wind becoming south around 5 mph in the afternoon.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. South wind 6 to 9 mph becoming west in the evening.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Overnight
A 30 percent chance of rain. Mostly cloudy, with a low around 38. West southwest wind around 8 mph.
Wednesday
Rain and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 49. West southwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 38. West wind around 6 mph.
Thursday
Sunny, with a high near 52. Light and variable wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 42. South wind 6 to 9 mph becoming west in the evening.
Friday
Partly sunny, with a high near 53.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly cloudy, with a high near 57.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 45.
Sunday
A chance of rain, mainly before 11am. Partly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Friday Harbor WA
 48.47°N 123.03°W (Elev. 157 ft)
1:16 am PDT Apr 15, 2026
5am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database