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

36°F

2°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 15 Apr 03:20 AM PDT
Extended Forecast for

Friday Harbor WA

  • Overnight

    Overnight: A 20 percent chance of rain after 4am.  Mostly cloudy, with a steady temperature around 42. West southwest wind around 9 mph.

    Low: 42 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain and thunderstorms 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 48. West southwest wind around 7 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 48 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. West wind around 5 mph becoming calm  after midnight.

    Low: 40 °F

    Mostly Clear

  • Thursday

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

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. South wind 5 to 8 mph becoming west after midnight.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Overnight
A 20 percent chance of rain after 4am. Mostly cloudy, with a steady temperature around 42. West southwest wind around 9 mph.
Wednesday
A chance of rain and thunderstorms 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 48. West southwest wind around 7 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 40. West wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 52. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 43. South wind 5 to 8 mph becoming west after midnight.
Friday
Partly sunny, with a high near 52.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 56.
Saturday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 46.
Sunday
A chance of rain, mainly before 11am. Mostly cloudy, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Friday Harbor WA
 48.51°N 123.02°W (Elev. 0 ft)
1:16 am PDT Apr 15, 2026
3am 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