Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Friday Harbor Airport (KFHR)

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

Clear

55°F

13°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 Aug 03:20 AM PDT
Extended Forecast for

Friday Harbor WA

  • Overnight

    Overnight: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 78. Calm wind becoming north northwest around 6 mph in the morning.

    High: 78 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of rain before 4am, then a slight chance of showers after 5am.  Mostly cloudy, with a low around 53. South southwest wind 5 to 7 mph.  Chance of precipitation is 20%.

    Low: 53 °F

    Cloudy then
    Slight Chance
    Rain

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 3pm.  Mostly cloudy, with a high near 69. South wind 7 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Rain likely.  Mostly cloudy, with a low around 52. South wind 5 to 9 mph becoming light southwest  in the evening.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain Likely

  • Sunday

    Sunday: A 20 percent chance of rain before 11am.  Partly sunny, with a high near 69.

    High: 69 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Monday Night

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

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 54. Calm wind.
Friday
Increasing clouds, with a high near 78. Calm wind becoming north northwest around 6 mph in the morning.
Friday Night
A slight chance of rain before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 53. South southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Saturday
Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 69. South wind 7 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Rain likely. Mostly cloudy, with a low around 52. South wind 5 to 9 mph becoming light southwest in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Friday Harbor WA
 48.53°N 123.02°W (Elev. 20 ft)
11:26 pm PDT Aug 20, 2026
3am PDT Aug 21, 2026-6pm PDT Aug 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database