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

Extreme Heat and Excessive Rainfall This Week

A significant heat wave is underway for the Intermountain West, Northern Plains, and Upper Great Lakes, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. In southwest Texas, excessive rainfall may bring a risk for potentially life-threatening flash and arroyo flooding through Thursday. Read More >

Current conditions at

Friday Harbor Airport (KFHR)

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

Clear

78°F

26°C

Humidity 35%
Wind Speed SSW 8 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Jul 02:53 PM PDT
Extended Forecast for

Friday Harbor WA

  • Tonight

    Tonight: Mostly clear, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 4am. Partly cloudy, with a low around 54. West wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 74. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 52. South southwest wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely then
    Slight Chance
    Rain

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
A 20 percent chance of rain after 4am. Partly cloudy, with a low around 54. West wind around 5 mph becoming calm in the evening.
Thursday
Rain likely, mainly between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 74. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 52. South southwest wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Friday Harbor WA
 48.53°N 123.02°W (Elev. 20 ft)
Last Update:
11:26 am PDT Jul 14, 2026
Forecast Valid:
3pm PDT Jul 14, 2026-6pm PDT Jul 21, 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