SAN JUAN ISLAND, WA 98250 Weather Forecast & Current Conditions
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  98250 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

FRIDAY HARBOR, WA
Current Weather
4:53 AM PST MAR 3, 2026
Overcast
43°F
Feels Like: 42°F
Dewpoint: 43°F
Rel. Hum.: 100%
Visibility: 10 miles
Wind: NE at 3 mph
Pressure: 30.00 inches
Last 72 hours

Local Area Snow Depth

Washington Current Weather

Washington MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  98250 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

SAN JUAN ISLAND, WA 98250
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Cloudy with a chance of rain until late afternoon, then cloudy with rain at times late in the afternoon. Rainfall amounts less than a tenth of an inch likely. Highs near 50. Southeast wind to 10 mph becoming south with gusts to 20 mph in the afternoon.
TONIGHT
Patchy fog in the evening. Rain likely in the evening, then rain at times in the late evening and early morning. A chance of rain in the morning. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the lower to mid 40s. Southeast wind to 10 mph becoming south after midnight.
WEDNESDAY
Rain at times. Rainfall amounts less than a tenth of an inch likely. Highs near 50. Light wind becoming southwest to 10 mph in the afternoon.
WEDNESDAY NIGHT
Mostly cloudy with rain likely in the evening, then mostly cloudy with a chance of rain after midnight. Rainfall amounts less than a tenth of an inch likely. Lows in the upper 30s to mid 40s. Southwest wind 10 to 15 mph becoming west after midnight.
THURSDAY
Rain likely. Rainfall amounts less than a tenth of an inch likely. Highs near 50. West wind 10 to 15 mph becoming southwest in the afternoon.
THURSDAY NIGHT
Mostly cloudy with rain likely in the evening, then mostly cloudy with a chance of rain after midnight. Lows in the lower 40s.
FRIDAY
Cloudy with a chance of rain in the morning, then cloudy with rain likely in the afternoon. Highs near 50.
FRIDAY NIGHT
Rain at times in the evening, then rain likely after midnight. Lows in the lower to mid 40s.
SATURDAY
Rain at times in the morning, then rain likely in the afternoon. Highs in the lower 50s.
SATURDAY NIGHT
Mostly cloudy with rain likely in the evening, then mostly cloudy with a chance of rain after midnight. Lows in the lower to mid 40s.
SUNDAY
Mostly cloudy with rain likely in the morning, then mostly cloudy with a chance of rain in the afternoon. Highs in the lower 50s.
SUNDAY NIGHT
Rain likely. Lows near 40.
MONDAY
Breezy. Rain likely. Highs in the upper 40s.

  98250 WEATHER SATELLITE LOOPS
Visible Weather Satellite
SAN JUAN ISLAND, WA 98250
Infrared Weather Satellite
SAN JUAN ISLAND, WA 98250
  98250 WEATHER RADAR LOOP
NEXRAD Weather Radar
SAN JUAN ISLAND, WA 98250
 MOS COMPUTER WEATHER FORECAST

FRIDAY HARBOR, WA 3 hourly weather forecast
weather forecast created  6:00 PM CST  3/ 2/2026
Tuesday
3 MAR 2026		 SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 0 hours 10 PM 43° 42° Mostly Cloudy 5%

 0% Thunder
( 0% severe)		   CALM 93% 41°
Low 42° SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 3 hours 1 AM 44° 43° Mostly Cloudy ESE   1 93% 42°
High 52° SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 6 hours 4 AM 45° 44° Mostly Cloudy 34%
RAIN
<.01 in		 0% Thunder
( 1% severe)		 SE   2 96% 44°

Mostly Cloudy

Rain Likely

 SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 9 hours 7 AM 46° 45° Mostly Cloudy SSE   3 93% 44°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 12 hours 10 AM 49° 47° Mostly Cloudy 65%
RAIN
.1–.25 in		 0% Thunder
( 2% severe)		 SSE   6 86% 45°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 15 hours 1 PM 50° 48° Mostly Cloudy SSE   6 86% 46°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 18 hours 4 PM 50° 49° Overcast 86%
RAIN
1–2 in		 0% Thunder
( 4% severe)		 SE   3 86% 46°
SAN JUAN ISLAND, WA 98250 weather forecast Day 1, 21 hours 7 PM 47° 46° Mostly Cloudy SE   3 96% 46°
Wednesday
4 MAR 2026		 SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 0 hours 10 PM 46° 44° Mostly Cloudy 77%
RAIN
1–2 in		 0% Thunder
( 3% severe)		 SSE   5 96% 45°
Low 43° SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 3 hours 1 AM 46° 45° Mostly Cloudy SSE   3 96% 45°
High 52° SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 6 hours 4 AM 45° 44° Mostly Cloudy 68%
RAIN
.25–.5 in		 0% Thunder
( 4% severe)		 S   2 100% 45°

Mostly Cloudy

Rain Likely

 SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 9 hours 7 AM 45° 44° Mostly Cloudy SSW   2 96% 44°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 12 hours 10 AM 48° 46° Mostly Cloudy 57%
RAIN
.01–.1 in		 0% Thunder
( 6% severe)		 SW   5 89% 45°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 15 hours 1 PM 51° 48° Mostly Cloudy SW   7 80% 45°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 18 hours 4 PM 50° 47° Mostly Cloudy 31%
RAIN
.01–.1 in		 0% Thunder
( 4% severe)		 SW   7 80% 44°
SAN JUAN ISLAND, WA 98250 weather forecast Day 2, 21 hours 7 PM 46° 42° Partly Cloudy WSW   8 86% 42°

FRIDAY HARBOR, WA extended weather forecast
Thursday
5 MAR 2026		 Friday
6 MAR 2026		 Saturday
7 MAR 2026		 Sunday
8 MAR 2026		 Monday
9 MAR 2026
Low 40° Low 38° Low 43° Low 45° Low 39°
High 52° High 49° High 54° High 54° High 51°
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
69% Rain		 Overcast
73% Rain		 Overcast
77% Rain		 Overcast
88% Rain		 Overcast
82% Rain
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