SAN JUAN ISLAND, WA 98250 Weather Forecast & Current Conditions

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FRIDAY HARBOR, WA
Current Weather

5:53 PM PDT APR 8, 2026
Clear
55°F
Feels Like: 54°F
Dewpoint: 39°F
Rel. Hum.: 55%
Visibility: 10 miles
Wind: WSW at 5 mph
Pressure: 30.06 inches
Last 72 hours

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SAN JUAN ISLAND, WA 98250
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Patchy dense fog late in the night. Lows in the upper 30s to mid 40s. Light wind.
THURSDAY
Sunny. Patchy dense fog in the morning. Highs in the mid to upper 50s. Light wind.
THURSDAY NIGHT
Mostly clear. Lows in the lower to mid 40s. Light wind.
FRIDAY
Mostly sunny. Highs in the mid 50s to lower 60s. Light wind.
FRIDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a slight chance of rain after midnight. Lows in the 40s. Light wind.
SATURDAY
Mostly cloudy with a chance of rain. Highs in the lower to mid 50s.
SATURDAY NIGHT
Mostly cloudy with a slight chance of rain. Lows in the mid 40s.
SUNDAY
Mostly cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. Highs in the lower to mid 50s.
SUNDAY NIGHT
Mostly cloudy. Lows in the mid 40s.
MONDAY
Mostly cloudy. A slight chance of rain in the morning. Highs in the lower to mid 50s.
MONDAY NIGHT
Mostly cloudy. Lows in the lower to mid 40s.
TUESDAY
Mostly cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. Highs in the lower to mid 50s.
TUESDAY NIGHT
Mostly cloudy with a chance of rain. Lows in the lower to mid 40s.

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 AM CDT  4/ 8/2026
Wednesday
8 APR 2026
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 12 hours 11 AM 50° 49° Clear 0%

0% Thunder
( 0% severe)
N   3 68% 40°
High 55° SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 15 hours 2 PM 53° 52° Clear N   5 61% 40°
Clear



SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 18 hours 5 PM 54° 54° Clear 0%

0% Thunder
( 0% severe)
NNW   2 55% 38°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 21 hours 8 PM 48° 47° Clear NNW   1 68% 38°
Thursday
9 APR 2026
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 0 hours 11 PM 44° 43° Clear 0%

0% Thunder
( 0% severe)
  CALM 79% 38°
Low 40° SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 3 hours 2 AM 42° 41° Clear   CALM 86% 38°
High 58° SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 6 hours 5 AM 42° 41° Clear 0%

0% Thunder
( 0% severe)
N   1 89% 39°

Clear



SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 9 hours 8 AM 46° 45° Partly Cloudy N   2 86% 42°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 12 hours 11 AM 52° 51° Clear 0%

0% Thunder
( 0% severe)
N   5 71% 43°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 15 hours 2 PM 56° 55° Clear N   6 59% 42°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 18 hours 5 PM 57° 57° Partly Cloudy 0%

0% Thunder
( 0% severe)
N   5 55% 41°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 21 hours 8 PM 50° 50° Partly Cloudy NNW   1 71% 41°
Friday
10 APR 2026
SAN JUAN ISLAND, WA 98250 weather forecast Day 3, 0 hours 11 PM 46° 45° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 79% 40°
Low 42° SAN JUAN ISLAND, WA 98250 weather forecast Day 3, 3 hours 2 AM 44° 43° Partly Cloudy   CALM 86% 40°
High 59° SAN JUAN ISLAND, WA 98250 weather forecast Day 3, 6 hours 5 AM 44° 43° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 89% 41°

Partly Cloudy



SAN JUAN ISLAND, WA 98250 weather forecast Day 3, 9 hours 8 AM 46° 45° Partly Cloudy   CALM 86% 42°
SAN JUAN ISLAND, WA 98250 weather forecast Day 3, 15 hours 11 AM 53° 53° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 71% 44°
SAN JUAN ISLAND, WA 98250 weather forecast Day 3, 18 hours 2 PM 56° 56° Partly Cloudy NW   1 64% 44°
SAN JUAN ISLAND, WA 98250 weather forecast Day 3, 21 hours 5 PM 57° 58° Partly Cloudy     WSW   1 59% 43°

FRIDAY HARBOR, WA extended weather forecast

Saturday
11 APR 2026
Sunday
12 APR 2026
Monday
13 APR 2026
Tuesday
14 APR 2026
Wednesday
15 APR 2026
Low 42° Low 45° Low 42° Low 43° Low 40°
High 59° High 57° High 55° High 55° High 54°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
37% Rain
Overcast
66% Rain
Overcast
61% Rain
Overcast
81% Rain
Overcast
71% Rain
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