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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Friday Harbor Airport (KFHR)

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

Clear

59°F

15°C

Humidity 55%
Wind Speed WSW 8 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Mar 02:53 PM PDT
Extended Forecast for

Friday Harbor WA

  • Tonight

    Tonight: Partly cloudy, with a low around 38. West wind 8 to 10 mph.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 50. West wind around 6 mph becoming south southwest in the afternoon.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of rain after 11pm. Partly cloudy, with a low around 38. South southwest wind around 6 mph.

    Low: 38 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain before 11am. Mostly cloudy, with a high near 49. South wind around 6 mph.

    High: 49 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. South southwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 50.

    High: 50 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. West wind 8 to 10 mph.
Saturday
Sunny, with a high near 50. West wind around 6 mph becoming south southwest in the afternoon.
Saturday Night
A 50 percent chance of rain after 11pm. Partly cloudy, with a low around 38. South southwest wind around 6 mph.
Sunday
A 40 percent chance of rain before 11am. Mostly cloudy, with a high near 49. South wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 37. South southwest wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 49.
Monday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 40.
Tuesday
Rain. Cloudy, with a high near 50.
Tuesday Night
Rain. Mostly cloudy, with a low around 41.
Wednesday
Rain likely. Mostly cloudy, with a high near 50.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Thursday
A slight chance of rain. Mostly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 38.
Friday
A slight chance of rain. Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Friday Harbor WA
 48.53°N 123.02°W (Elev. 20 ft)
Last Update:
11:27 am PDT Mar 20, 2026
Forecast Valid:
3pm PDT Mar 20, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation