Friday Harbor, WA Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Friday Harbor, WA in one place.
Mostly cloudy, with a low around 51. South southwest wind around 5 mph.
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: Jul 17, 2026 6:23 AM PDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Friday Harbor, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 6:23 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 82 degrees F.
Overnight is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Friday at about 7 mph S.
The forecast from Jul 17 through Jul 23 stays mostly dry.
Forecast Details
- Last updated
- Jul 17, 2026 6:23 AM PDT
- Coverage
- 7 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 sunny, with a high near 70. South wind around 7 mph.
Mostly clear, with a low around 52. Southwest wind around 6 mph.
Mostly sunny, with a high near 71. South southwest wind around 7 mph.
Patchy fog after 3am. Mostly clear, with a low around 51. West wind around 6 mph.
Sunny, with a high near 74.
Mostly clear, with a low around 53.
Sunny, with a high near 79.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 82.
Partly cloudy, with a low around 56.
Mostly sunny, with a high near 81.
Partly cloudy, with a low around 56.
Sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 17
|
Mostly Cloudy
|
51°F |
5 mph
SSW
|
|
Friday
Jul 17
|
Mostly Sunny
|
70°F |
7 mph
S
|
|
Friday Night
Jul 17
|
Mostly Clear
|
52°F |
6 mph
SW
|
|
Saturday
Jul 18
|
Mostly Sunny
|
71°F |
7 mph
SSW
|
|
Saturday Night
Jul 18
|
Mostly Clear then Patchy Fog
|
51°F |
6 mph
W
|
|
Sunday
Jul 19
|
Sunny
|
74°F |
3 to 7 mph
NNW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
53°F |
0 to 3 mph
W
|
|
Monday
Jul 20
|
Sunny
|
79°F |
0 to 5 mph
NW
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
55°F |
0 to 3 mph
W
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
82°F |
0 to 3 mph
W
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
56°F |
0 to 3 mph
SW
|
|
Wednesday
Jul 22
|
Mostly Sunny
|
81°F |
0 to 5 mph
WSW
|
|
Wednesday Night
Jul 22
|
Partly Cloudy
|
56°F |
3 mph
SW
|
|
Thursday
Jul 23
|
Sunny
|
80°F |
1 to 5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Friday Harbor.
Nearby forecast pages are not available for this location yet.
