Weather WorldFriday Harbor, WA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Friday Harbor Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 | |  |  |  |  |  | | |  |  |  |
| Patchy Fog | Patchy Fog | Cloudy | Mostly Cloudy | Partly Cloudy | Sunny | Mostly Clear | Patchy Fog | Partly Cloudy | Chance of Rain | Chance of Rain | Chance of Rain |
| Lo: 45°FLo: 7°C | Hi: 53°FHi: 12°C | Lo: 45°FLo: 7°C | Hi: 55°FHi: 13°C | Lo: 45°FLo: 7°C | Hi: 55°FHi: 13°C | Lo: 43°FLo: 6°C | Hi: 55°FHi: 13°C | Lo: 43°FLo: 6°C | Hi: 55°FHi: 13°C | Lo: 43°FLo: 6°C | Hi: 53°FHi: 12°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 PM PDT Sat Oct 17 2026 
Friday Harbor Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Friday Harbor Weather Map
Friday Harbor Quick Facts
Friday Harbor Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 156 PM PDT Sat Oct 17 2026
Aviation
...West to northwest flow aloft will continue into Sunday morning before backing southwesterly in response to an upper trough diving southward over the offshore waters. Low level onshore flow will gradually weaken this afternoon into tonight then become northerly or weakly offshore on Sunday. Ceilings within what is left of the convergence zone are mostly VFR this afternoon and will continue to lift and scatter out this afternoon and evening. Light surface winds and low level moisture wi...