SAN JUAN ISLAND, WA 98250 Weather Forecast & Current Conditions

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FRIDAY HARBOR, WA
Current Weather

4:53 AM PDT AUG 2, 2026
Overcast
55°F
Feels Like: 55°F
Dewpoint: 52°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: SW at 3 mph
Pressure:
Last 72 hours

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SAN JUAN ISLAND, WA 98250
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Highs in the 60s to lower 70s. Light wind.
TONIGHT
Mostly clear. Lows in the 50s. Light wind.
MONDAY
Sunny. Highs in the upper 60s to mid 70s. North wind to 10 mph becoming northwest around 10 mph in the afternoon.
MONDAY NIGHT
Mostly clear. Lows in the mid 50s to lower 60s. Northwest wind to 10 mph in the evening becoming light.
TUESDAY
Sunny. Highs in the mid 70s to lower 80s. North wind to 10 mph.
TUESDAY NIGHT
Mostly clear. Lows near 60.
WEDNESDAY
Sunny. Highs in the upper 70s to mid 80s.
WEDNESDAY NIGHT
Mostly clear. Lows in the mid 50s to lower 60s.
THURSDAY
Sunny. Highs near 80.
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
Sunny. Highs in the lower to mid 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/ 1/2026
Sunday
2 AUG 2026
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 0 hours 11 PM 56° 54° Partly Cloudy 9%

0% Thunder
( 2% severe)
WSW   7 80% 50°
Low 51° SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 3 hours 2 AM 54° 53° Partly Cloudy WSW   6 83% 49°
High 69° SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 6 hours 5 AM 52° 52° Mostly Cloudy 3%

0% Thunder
( 5% severe)
SW   3 89% 49°

Mostly Cloudy



SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 9 hours 8 AM 57° 57° Mostly Cloudy SW   5 83% 52°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 12 hours 11 AM 63° 64° Partly Cloudy 2%

0% Thunder
( 7% severe)
W   5 65% 51°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 15 hours 2 PM 68° 68° Partly Cloudy WSW   6 53% 50°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 18 hours 5 PM 68° 68° Clear 1%

0% Thunder
( 0% severe)
W   5 51% 49°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 21 hours 8 PM 64° 65° Clear SW   3 60% 50°
Monday
3 AUG 2026
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 0 hours 11 PM 56° 56° Clear 1%

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

Partly Cloudy



SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 9 hours 8 AM 59° 58° Partly Cloudy NNW   6 80% 53°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 12 hours 11 AM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   9 65% 54°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 15 hours 2 PM 71° 71° Clear NNW   9 55% 54°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 18 hours 5 PM 73° 73° Clear 0%

0% Thunder
( 0% severe)
NW   7 49% 53°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 21 hours 8 PM 67° 67° Clear   CALM 61% 53°

FRIDAY HARBOR, WA extended weather forecast

Tuesday
4 AUG 2026
Wednesday
5 AUG 2026
Thursday
6 AUG 2026
Friday
7 AUG 2026
Saturday
8 AUG 2026
Low 50° Low 51° Low 51° Low 50° Low 50°
High 82° High 84° High 82° High 77° 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
Clear
2% Rain
Clear
4% Rain
Clear
3% Rain
Clear
5% Rain
Clear
6% Rain
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