SAN JUAN ISLAND, WA 98250 Weather Forecast & Current Conditions

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FRIDAY HARBOR, WA
Current Weather

2:53 AM PDT JUN 28, 2026
Overcast
54°F
Feels Like: 54°F
Dewpoint: 50°F
Rel. Hum.: 86%
Visibility: 10 miles
Wind: Calm
Pressure: 30.02 inches
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 mid 60s to lower 70s. Light wind.
TONIGHT
Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 50s. Southwest wind to 10 mph.
MONDAY
Partly sunny. Highs in the mid 60s to lower 70s. Light wind.
MONDAY NIGHT
Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 50s. Light wind.
TUESDAY
Mostly cloudy. A slight chance of rain in the morning. Highs in the 60s to lower 70s. Light wind.
TUESDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a slight chance of rain after midnight. Lows near 50.
WEDNESDAY
Partly sunny. A slight chance of rain in the morning. Highs in the mid 60s to lower 70s.
WEDNESDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a slight chance of rain after midnight. Lows near 50.
THURSDAY
Mostly cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. Highs in the mid to upper 60s.
THURSDAY NIGHT
Partly cloudy with a slight chance of rain. Lows near 50.
FRIDAY
Mostly sunny. A slight chance of rain in the morning. Highs near 70.
FRIDAY NIGHT
Partly cloudy. Lows near 50.
INDEPENDENCE DAY
Mostly sunny. Highs near 70.

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  6/27/2026
Sunday
28 JUN 2026
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 0 hours 11 PM 56° 55° Partly Cloudy 1%

0% Thunder
( 0% severe)
SW   6 77% 49°
Low 50° SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 3 hours 2 AM 53° 53° Mostly Cloudy WSW   3 90% 50°
High 70° SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 6 hours 5 AM 51° 51° Partly Cloudy 2%

0% Thunder
( 1% severe)
  CALM 93% 49°

Partly Cloudy



SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 9 hours 8 AM 58° 59° Partly Cloudy   CALM 80% 52°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 12 hours 11 AM 64° 65° Mostly Cloudy 1%

0% Thunder
( 1% severe)
S   5 65% 52°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 15 hours 2 PM 67° 67° Partly Cloudy S   6 61% 53°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 18 hours 5 PM 69° 69° Partly Cloudy 1%

0% Thunder
( 0% severe)
SSW   6 57% 53°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 21 hours 8 PM 64° 64° Partly Cloudy SW   6 63% 51°
Monday
29 JUN 2026
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 0 hours 11 PM 56° 55° Mostly Cloudy 2%

0% Thunder
( 0% severe)
WSW   5 80% 50°
Low 50° SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 3 hours 2 AM 53° 53° Mostly Cloudy   CALM 90% 50°
High 70° SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 6 hours 5 AM 52° 52° Mostly Cloudy 2%

0% Thunder
( 1% severe)
  CALM 93% 50°

Mostly Cloudy



SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 9 hours 8 AM 58° 59° Mostly Cloudy   CALM 80% 52°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 12 hours 11 AM 64° 65° Mostly Cloudy 0%

0% Thunder
( 0% severe)
S   5 65% 52°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 15 hours 2 PM 67° 67° Partly Cloudy S   6 61% 53°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 18 hours 5 PM 69° 69° Partly Cloudy 1%

0% Thunder
( 0% severe)
S   6 57% 53°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 21 hours 8 PM 64° 65° Partly Cloudy SSW   5 65% 52°

FRIDAY HARBOR, WA extended weather forecast

Tuesday
30 JUN 2026
Wednesday
1 JUL 2026
Thursday
2 JUL 2026
Friday
3 JUL 2026
Saturday
4 JUL 2026
Low 50° Low 50° Low 49° Low 50° Low 50°
High 67° High 67° High 69° High 71° High 69°
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
Overcast
35% Rain
Overcast
29% Rain
Overcast
33% Rain
Overcast
32% Rain
Overcast
35% Rain
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