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.

Mist

53°F

12°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 52°F (11°C)
Visibility 5.00 mi
Last update 20 Sep 10:53 AM PDT
Extended Forecast for

4 Miles W Friday Harbor WA

  • Today

    Today: Mostly sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 49. Calm wind.

    Low: 49 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 70. Light south wind.

    High: 70 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. West southwest wind 3 to 5 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70. Calm wind becoming south around 6 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 67. Light and variable wind.
Tonight
Increasing clouds, with a low around 49. Calm wind.
Monday
Partly sunny, with a high near 70. Light south wind.
Monday Night
Partly cloudy, with a low around 50. West southwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 70. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Mostly cloudy, with a high near 66.
Thursday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49.
Friday
A chance of rain. Mostly cloudy, with a high near 65.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Friday Harbor WA
 48.53°N 123.08°W (Elev. 121 ft)
Last Update:
12:25 am PDT Sep 20, 2026
Forecast Valid:
11am PDT Sep 20, 2026-6pm PDT Sep 26, 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