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

Friday Harbor Airport (KFHR)

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

Clear

48°F

9°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Sep 07:00 AM PDT
Extended Forecast for

5 Miles S Friday Harbor WA

  • Today

    Today: Patchy fog before 9am. Otherwise, sunny, with a high near 64. Light and variable wind becoming south southeast 5 to 7 mph.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Southwest wind around 6 mph becoming calm after midnight.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 63. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 63 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. West southwest wind around 5 mph becoming calm after midnight.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °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 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, sunny, with a high near 64. Light and variable wind becoming south southeast 5 to 7 mph.
Tonight
Partly cloudy, with a low around 50. Southwest wind around 6 mph becoming calm after midnight.
Saturday
Partly sunny, with a high near 63. Calm wind becoming south southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 49. West southwest wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 64. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Friday Harbor WA
 48.47°N 123.03°W (Elev. 157 ft)
Last Update:
11:26 pm PDT Sep 17, 2026
Forecast Valid:
7am PDT Sep 18, 2026-6pm PDT Sep 24, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation