Friday Harbor, WA Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Friday Harbor, WA in one place.
Partly sunny, with a high near 54.
Local Weather Overview
This forecast page for Friday Harbor, WA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 15, 2026 6:05 AM PDT.
The active forecast window currently covers Apr 17 to Apr 21, 2026 for Friday Harbor, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 6:05 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Friday Harbor
Tuesday looks like the warmest upcoming period in Friday Harbor at 61 degrees F.
Friday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Saturday at about 1 to 6 mph NE.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 6:05 AM PDT
- Coverage
- 5 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KATX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 40.
A slight chance of rain after 5pm. Mostly cloudy, with a high near 57.
A chance of rain. Mostly cloudy, with a low around 44.
A chance of rain before 5pm. Partly sunny, with a high near 59.
Partly cloudy, with a low around 45.
Mostly sunny, with a high near 60.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Partly Sunny
|
54°F |
2 mph
SSW
|
|
Friday Night
Apr 17
|
Mostly Cloudy
|
40°F |
1 mph
NNE
|
|
Saturday
Apr 18
|
Mostly Cloudy then Slight Chance Light Rain
|
57°F |
1 to 6 mph
NE
|
|
Saturday Night
Apr 18
|
Chance Light Rain
|
44°F |
6 mph
NNE
|
|
Sunday
Apr 19
|
Chance Light Rain
|
59°F |
6 mph
N
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
45°F |
3 mph
NW
|
|
Monday
Apr 20
|
Mostly Sunny
|
60°F |
2 to 6 mph
NNW
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
46°F |
3 mph
WNW
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
61°F |
6 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Friday Harbor.
Nearby forecast pages are not available for this location yet.
