SAN JUAN ISLAND, WA 98250 Weather Forecast & Current Conditions

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FRIDAY HARBOR, WA
Current Weather

9:53 PM PDT MAY 30, 2026
Clear
52°F
Feels Like: 51°F
Dewpoint: 39°F
Rel. Hum.: 61%
Visibility: 10 miles
Wind: W at 5 mph
Pressure: 30.30 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
TONIGHT
Mostly clear. Lows in the 40s to lower 50s. Southwest wind 10 to 15 mph becoming west after midnight. Gusts to 25 mph.
SUNDAY
Sunny. Highs in the 60s. West wind to 10 mph in the morning becoming light.
SUNDAY NIGHT
Mostly clear. Lows near 50. Light wind.
MONDAY
Mostly sunny. Highs in the upper 60s to mid 70s. North wind to 10 mph becoming northwest around 10 mph in the afternoon.
MONDAY NIGHT
Partly cloudy. Lows in the 50s. Light wind.
TUESDAY
Sunny. Highs in the mid 70s to lower 80s.
TUESDAY NIGHT
Mostly clear. Lows in the mid 50s.
WEDNESDAY
Mostly cloudy. Highs in the lower to mid 70s.
WEDNESDAY NIGHT
Mostly cloudy. Lows in the lower 50s.
THURSDAY
Mostly sunny. Highs near 70.
THURSDAY NIGHT
Partly cloudy. Lows near 50.
FRIDAY
Mostly sunny with a slight chance of rain. Highs in the mid to upper 60s.
FRIDAY NIGHT
Mostly cloudy with a chance of rain. Lows near 50.

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  5/30/2026
Sunday
31 MAY 2026
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 0 hours 11 PM 51° 48° Clear 0%

0% Thunder
( 0% severe)
WSW   9 68% 41°
Low 46° SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 3 hours 2 AM 48° 45° Clear WSW   7 80% 42°
High 67° SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 6 hours 5 AM 47° 46° Clear 0%

0% Thunder
( 0% severe)
W   3 83% 42°

Clear



SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 9 hours 8 AM 53° 53° Clear WNW   3 71% 44°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 12 hours 11 AM 60° 60° Clear 0%

0% Thunder
( 0% severe)
NNW   6 55% 44°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 15 hours 2 PM 64° 64° Clear WNW   6 46% 43°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 18 hours 5 PM 66° 66° Clear 0%

0% Thunder
( 0% severe)
W   5 42% 42°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 21 hours 8 PM 61° 61° Clear SW   5 58% 46°
Monday
1 JUN 2026
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 0 hours 11 PM 53° 53° Clear 0%

0% Thunder
( 0% severe)
WSW   3 77% 46°
Low 48° SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 3 hours 2 AM 52° 52° Clear   CALM 77% 45°
High 72° SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 6 hours 5 AM 51° 51° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   1 83% 46°

Partly Cloudy



SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 9 hours 8 AM 57° 57° Partly Cloudy N   5 72% 48°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 12 hours 11 AM 64° 64° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   8 56% 48°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 15 hours 2 PM 69° 69° Mostly Cloudy NNW   7 47% 48°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 18 hours 5 PM 72° 72° Mostly Cloudy 0%

0% Thunder
( 0% severe)
NW   5 41% 47°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 21 hours 8 PM 65° 65° Mostly Cloudy   CALM 52% 47°

FRIDAY HARBOR, WA extended weather forecast

Tuesday
2 JUN 2026
Wednesday
3 JUN 2026
Thursday
4 JUN 2026
Friday
5 JUN 2026
Saturday
6 JUN 2026
Low 48° Low 50° Low 49° Low 47° Low 47°
High 79° High 65° High 64° High 64° High 62°
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
Overcast
49% Rain
Overcast
44% Rain
Overcast
46% Rain
Overcast
74% Rain
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