SAN JUAN ISLAND, WA 98250 Weather Forecast & Current Conditions

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FRIDAY HARBOR, WA
Current Weather

5:53 AM PDT MAY 15, 2025
Clear
52°F
Feels Like: 50°F
Dewpoint: 43°F
Rel. Hum.: 71%
Visibility: 10 miles
Wind: SSW at 7 mph
Pressure: 30.14 inches
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SAN JUAN ISLAND, WA 98250
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy in the morning, then a chance of rain in the afternoon. Highs in the mid 50s to lower 60s. Southwest wind 10 to 15 mph becoming south in the afternoon.
TONIGHT
Cloudy with a chance of rain. Lows in the 40s. Light wind. Gusts to 20 mph in the evening.
FRIDAY
Cloudy with a chance of rain. Highs in the mid 50s to lower 60s. Southeast wind to 10 mph.
FRIDAY NIGHT
Mostly cloudy with a chance of rain in the evening, then cloudy with rain likely after midnight. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the mid 40s to lower 50s. Light wind.
SATURDAY
Cloudy with rain likely in the morning, then mostly cloudy with a chance of rain in the afternoon. Rainfall amounts a tenth to a quarter of an inch possible. Highs in the upper 50s to mid 60s. Light wind becoming southwest around 10 mph in the afternoon.
SATURDAY NIGHT
Mostly cloudy with a slight chance of rain. Lows in the upper 40s.
SUNDAY
Mostly sunny. Highs near 60.
SUNDAY NIGHT
Partly cloudy. A slight chance of rain after midnight. Lows in the mid to upper 40s.
MONDAY
Mostly cloudy with a chance of rain. Highs near 60.
MONDAY NIGHT
Mostly cloudy with a chance of rain in the evening, then partly cloudy with a slight chance of rain after midnight. Lows in the mid to upper 40s.
TUESDAY
Mostly sunny. A slight chance of rain in the morning. Highs near 60.
TUESDAY NIGHT
Partly cloudy. Lows in the mid to upper 40s.
WEDNESDAY
Mostly sunny. Highs near 60.

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  5/14/2025
Thursday
15 MAY 2025
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 0 hours 11 PM 51° 48° Mostly Cloudy 1%

0% Thunder
( 0% severe)
WSW   8 68% 41°
Low 46° SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 3 hours 2 AM 49° 47° Mostly Cloudy SW   6 77% 42°
High 62° SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 6 hours 5 AM 47° 44° Mostly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 0% severe)
SSW   6 83% 42°

Mostly Cloudy

Chance of Rain

SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 9 hours 8 AM 52° 50° Mostly Cloudy SSW   6 74% 44°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 12 hours 11 AM 56° 54° Mostly Cloudy 37%
RAIN
<.01 in
0% Thunder
( 2% severe)
S   8 64% 44°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 15 hours 2 PM 60° 59° Mostly Cloudy S   8 53% 43°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 18 hours 5 PM 58° 57° Mostly Cloudy 32%
RAIN
<.01 in
0% Thunder
( 2% severe)
SSW   6 57% 43°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 21 hours 8 PM 53° 53° Mostly Cloudy SSW   3 66% 42°
Friday
16 MAY 2025
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 0 hours 11 PM 49° 49° Overcast 21%
RAIN
<.01 in
0% Thunder
( 1% severe)
S   2 80% 43°
Low 46° SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 3 hours 2 AM 49° 49° Mostly Cloudy SSE   1 83% 44°
High 65° SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 6 hours 5 AM 48° 47° Mostly Cloudy 17%
RAIN
<.01 in
0% Thunder
( 0% severe)
SSE   2 86% 44°

Mostly Cloudy



SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 9 hours 8 AM 52° 51° Mostly Cloudy SE   5 83% 47°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 12 hours 11 AM 56° 54° Mostly Cloudy 17%
RAIN
<.01 in
0% Thunder
( 4% severe)
SE   8 72% 47°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 15 hours 2 PM 61° 60° Mostly Cloudy SE   8 60% 47°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 18 hours 5 PM 62° 62° Mostly Cloudy 35%
RAIN
.25–.5 in
0% Thunder
( 3% severe)
SE   5 58% 47°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 21 hours 8 PM 56° 56° Mostly Cloudy SE   2 69% 46°

FRIDAY HARBOR, WA extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
Low 45° Low 45° Low 46° Low 47° Low 45°
High 57° High 62° High 64° High 58° High 63°
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
85% Rain
Overcast
79% Rain
Overcast
31% Rain
Mostly Cloudy
48% Rain
Overcast
46% Rain
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