Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

Friday Harbor Airport (KFHR)

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

Mostly Cloudy

46°F

8°C

Humidity 75%
Wind Speed SW 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 14 Apr 12:00 AM PDT
Extended Forecast for

Friday Harbor WA

  • Overnight

    Overnight: A 50 percent chance of rain, mainly after 3am.  Mostly cloudy, with a steady temperature around 45. South southwest wind 3 to 5 mph.

    Low: 45 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain.  High near 50. South wind 3 to 8 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain before 8pm, then a chance of snow after 5am.  Low around 37. West southwest wind 5 to 9 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain then
    Chance Snow

  • Wednesday

    Wednesday: A chance of rain and snow showers before 8am, then rain showers likely. Some thunder is also possible.  Mostly cloudy, with a high near 50. West southwest wind around 5 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 50 °F

    Rain/Snow
    Likely then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of rain, mainly after 3am. Mostly cloudy, with a steady temperature around 45. South southwest wind 3 to 5 mph.
Tuesday
Rain. High near 50. South wind 3 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain before 8pm, then a chance of snow after 5am. Low around 37. West southwest wind 5 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow showers before 8am, then rain showers likely. Some thunder is also possible. Mostly cloudy, with a high near 50. West southwest wind around 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Partly cloudy, with a low around 38. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly cloudy, with a high near 57.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Mostly cloudy, with a high near 57.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 43.
Monday
A chance of rain. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Friday Harbor WA
 48.51°N 123.05°W (Elev. 141 ft)
11:27 pm PDT Apr 13, 2026
12am PDT Apr 14, 2026-6pm PDT Apr 20, 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