SAN JUAN ISLAND, WA 98250 Weather Forecast & Current Conditions

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FRIDAY HARBOR, WA
Current Weather

2:53 AM PDT JUL 19, 2026
Clear
52°F
Feels Like: 52°F
Dewpoint: 50°F
Rel. Hum.: 93%
Visibility: 10 miles
Wind: Calm
Pressure: 30.14 inches
Last 72 hours

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SAN JUAN ISLAND, WA 98250
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny. Highs in the upper 60s to mid 70s. North wind to 10 mph becoming northwest in the afternoon.
TONIGHT
Mostly clear. Lows in the 50s. Light wind.
MONDAY
Mostly sunny. Areas of smoke in the afternoon. Highs in the 70s. Light wind.
MONDAY NIGHT
Mostly cloudy in the evening then becoming partly cloudy. Areas of smoke. Lows in the mid 50s to lower 60s. Light wind.
TUESDAY
Mostly sunny. Areas of smoke. Highs in the mid 70s to lower 80s. Light wind.
TUESDAY NIGHT
Partly cloudy. Areas of smoke. Lows near 60.
WEDNESDAY
Mostly sunny. Areas of smoke. Highs in the upper 70s to mid 80s.
WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 50s to lower 60s.
THURSDAY
Mostly sunny. A slight chance of showers in the morning. Highs in the lower to mid 70s.
THURSDAY NIGHT
Mostly clear. Lows in the mid to upper 50s.
FRIDAY
Mostly sunny. Highs near 70.
FRIDAY NIGHT
Mostly clear. Lows in the 50s.
SATURDAY
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  7/18/2026
Sunday
19 JUL 2026
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 0 hours 11 PM 56° 56° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 86% 52°
Low 52° SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 3 hours 2 AM 54° 54° Partly Cloudy   CALM 93% 52°
High 73° SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 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 1, 9 hours 8 AM 60° 61° Partly Cloudy NNW   3 81% 54°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 12 hours 11 AM 67° 67° Clear 0%

0% Thunder
( 0% severe)
NNW   8 65% 55°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 15 hours 2 PM 70° 70° Clear N   8 61% 56°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 18 hours 5 PM 72° 72° Clear 0%

0% Thunder
( 0% severe)
NNW   6 57% 56°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 21 hours 8 PM 67° 67° Partly Cloudy   CALM 63% 54°
Monday
20 JUL 2026
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 0 hours 11 PM 57° 58° Clear 0%

0% Thunder
( 0% severe)
  CALM 86% 53°
Low 53° SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 3 hours 2 AM 55° 55° Clear   CALM 90% 52°
High 79° SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 6 hours 5 AM 55° 55° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 90% 52°

Partly Cloudy



SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 9 hours 8 AM 62° 63° Partly Cloudy NNW   3 78% 55°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 12 hours 11 AM 70° 70° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   7 59% 55°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 15 hours 2 PM 74° 74° Mostly Cloudy NNW   6 55% 57°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 18 hours 5 PM 77° 79° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WSW   3 52% 58°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 21 hours 8 PM 72° 72° Mostly Cloudy   CALM 57% 56°

FRIDAY HARBOR, WA extended weather forecast

Tuesday
21 JUL 2026
Wednesday
22 JUL 2026
Thursday
23 JUL 2026
Friday
24 JUL 2026
Saturday
25 JUL 2026
Low 51° Low 52° Low 53° Low 53° Low 52°
High 83° High 78° High 75° High 72° High 72°
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
Partly Cloudy
8% Rain
Partly Cloudy
27% Rain
Partly Cloudy
15% Rain
Mostly Cloudy
21% Rain
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