SAN JUAN ISLAND, WA 98250 Weather Forecast & Current Conditions

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FRIDAY HARBOR, WA
Current Weather

11:53 PM PDT AUG 8, 2026
Clear
57°F
Feels Like: 57°F
Dewpoint: 50°F
Rel. Hum.: 77%
Visibility: 10 miles
Wind: Calm
Pressure: 30.06 inches
Last 72 hours

Local Area Snow Depth

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SAN JUAN ISLAND, WA 98250
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Highs in the mid 60s to lower 70s. Light wind.
TONIGHT
Partly cloudy. Lows in the 50s. Light wind.
MONDAY
Mostly sunny. Highs in the mid 60s to lower 70s. Light wind.
MONDAY NIGHT
Mostly clear. Lows in the 50s. Southwest wind to 10 mph.
TUESDAY
Sunny. Highs in the upper 60s to mid 70s. Light wind.
TUESDAY NIGHT
Mostly clear. Lows in the lower to mid 50s.
WEDNESDAY
Mostly sunny. Highs in the lower to mid 70s.
WEDNESDAY NIGHT
Mostly clear. Lows in the 50s.
THURSDAY
Mostly sunny. Highs in the 70s.
THURSDAY NIGHT
Mostly clear. Lows in the mid to upper 50s.
FRIDAY
Sunny. Highs in the 70s.
FRIDAY NIGHT
Mostly clear. Lows in the mid to upper 50s.
SATURDAY
Mostly sunny. Highs in the 70s.

Visible Weather Satellite
SAN JUAN ISLAND, WA 98250
Infrared Weather Satellite
SAN JUAN ISLAND, WA 98250
NEXRAD Weather Radar
SAN JUAN ISLAND, WA 98250

FRIDAY HARBOR, WA 3 hourly weather forecast

weather forecast created  7:00 PM CDT  8/ 8/2026
Sunday
9 AUG 2026
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 0 hours 11 PM 58° 57° Clear 0%

0% Thunder
( 0% severe)
WSW   7 77% 51°
Low 52° SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 3 hours 2 AM 54° 53° Clear SW   5 90% 51°
High 73° SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 6 hours 5 AM 53° 53° Clear 1%

0% Thunder
( 0% severe)
  CALM 93% 51°

Increasing Clouds



SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 9 hours 8 AM 59° 60° Partly Cloudy S   3 83% 54°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 12 hours 11 AM 67° 67° Mostly Cloudy 1%

0% Thunder
( 0% severe)
SSE   6 63% 54°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 15 hours 2 PM 71° 71° Mostly Cloudy S   6 55% 54°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 18 hours 5 PM 71° 71° Mostly Cloudy 2%

0% Thunder
( 0% severe)
SSW   6 55% 54°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 21 hours 8 PM 66° 66° Mostly Cloudy SW   3 63% 53°
Monday
10 AUG 2026
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 0 hours 11 PM 57° 58° Partly Cloudy 2%

0% Thunder
( 0% severe)
SW   2 83% 52°
Low 51° SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 3 hours 2 AM 54° 54° Partly Cloudy   CALM 93% 52°
High 74° SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 6 hours 5 AM 53° 53° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 96% 52°

Partly Cloudy



SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 9 hours 8 AM 59° 60° Partly Cloudy SSW   1 83% 54°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 12 hours 11 AM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   6 68% 55°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 15 hours 2 PM 71° 71° Partly Cloudy S   6 57% 55°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 18 hours 5 PM 72° 72° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   7 53% 54°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 21 hours 8 PM 67° 67° Partly Cloudy SW   6 61% 53°

FRIDAY HARBOR, WA extended weather forecast

Tuesday
11 AUG 2026
Wednesday
12 AUG 2026
Thursday
13 AUG 2026
Friday
14 AUG 2026
Saturday
15 AUG 2026
Low 51° Low 52° Low 51° Low 52° Low 54°
High 75° High 74° High 78° High 75° High 74°
SAN JUAN ISLAND, WA 98250 weather forecast Day 3 SAN JUAN ISLAND, WA 98250 weather forecast Day 4 SAN JUAN ISLAND, WA 98250 weather forecast Day 5 SAN JUAN ISLAND, WA 98250 weather forecast Day 6 SAN JUAN ISLAND, WA 98250 weather forecast Day 7
Partly Cloudy
4% Rain
Partly Cloudy
11% Rain
Clear
14% Rain
Partly Cloudy
12% Rain
Partly Cloudy
16% Rain
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