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

64°F

18°C

Humidity 64%
Wind Speed WSW 6 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Sep 04:53 PM PDT
Extended Forecast for

2 Miles ESE Friday Harbor WA

  • Tonight

    Tonight: Increasing clouds, with a low around 48. Calm wind.

    Low: 48 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 64. Light south wind.

    High: 64 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65. Light and variable wind.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. Light and variable wind.

    Low: 49 °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 49.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 48. Calm wind.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 64. Light south wind.
Saturday Night
Partly cloudy, with a low around 48. Calm wind.
Sunday
Mostly sunny, with a high near 65. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 49. Light and variable wind.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 49.
Thursday
Partly sunny, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 49.
Friday
A chance of rain. Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Friday Harbor WA
 48.52°N 122.98°W (Elev. 128 ft)
Last Update:
1:27 pm PDT Sep 18, 2026
Forecast Valid:
5pm PDT Sep 18, 2026-6pm PDT Sep 25, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation