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
5:53 PM PDT MAR 17, 2026
Overcast Light Rain 52°F
Feels Like:	52°F
Dewpoint:	48°F
Rel. Hum.:	86%
Visibility:	10 miles
Wind:	SSW at 3 mph
Pressure:	30.00 inches
Last 72 hours
Local Area Snow Depth
Washington Current Weather
Washington MOS Forecast Weather

Regional Weather Maps

(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

TONIGHT
Cloudy with a chance of rain in the evening, then rain at times after midnight. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the mid to upper 40s. Southeast wind 10 to 15 mph becoming south after midnight.

WEDNESDAY
Rain at times in the morning, then rain likely in the late morning and early afternoon. A chance of rain late in the afternoon. Rainfall amounts a tenth to a quarter of an inch possible. Highs in the lower to mid 50s. South wind to 10 mph becoming southeast around 10 mph in the afternoon.

WEDNESDAY NIGHT
Rain at times. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the mid 40s to lower 50s. Southeast wind around 10 mph with gusts to 20 mph.

THURSDAY
Rain. Rainfall amounts a quarter to a half inch possible. Highs in the lower to mid 50s. Southeast wind 10 to 15 mph.

THURSDAY NIGHT
Rain. Rainfall amounts a quarter to a half inch possible. Lows in the mid to upper 40s. Southeast wind to 10 mph.

FRIDAY
Rain at times in the morning, then rain likely in the afternoon. Highs in the lower to mid 50s.

FRIDAY NIGHT
Mostly cloudy with rain likely in the evening, then mostly cloudy with a chance of rain after midnight. Lows near 40.

SATURDAY
Mostly sunny. A chance of rain in the morning, then a slight chance of rain in the afternoon. Highs near 50.

SATURDAY NIGHT
Partly cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Lows in the upper 30s.

SUNDAY
Mostly sunny. A chance of rain in the morning, then a slight chance of rain in the afternoon. Highs near 50.

SUNDAY NIGHT
Mostly cloudy with a slight chance of rain. Lows near 40.

MONDAY
Mostly cloudy with a chance of rain. Highs near 50.

MONDAY NIGHT
Mostly cloudy with a chance of rain in the evening, then mostly cloudy with rain likely after midnight. Lows near 40.

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 AM CST 3/17/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
17 MAR 2026

10 AM

50°

46°

Mostly Cloudy

65%
RAIN
.1–.25 in

0% Thunder
( 6% severe)

SE 10

93%

48°

High 53°

1 PM

52°

49°

Mostly Cloudy

SE 9

89%

49°

Mostly Cloudy

Rain

4 PM

52°

50°

Mostly Cloudy

96%
RAIN
***

0% Thunder
( 11% severe)

SE 7

89%

49°

7 PM

50°

47°

Mostly Cloudy

SSE 7

96%

49°

Wednesday
18 MAR 2026

10 PM

49°

46°

Mostly Cloudy

95%
RAIN
1–2 in

0% Thunder
( 1% severe)

SSE 7

100%

49°

Low 47°

1 AM

49°

47°

Mostly Cloudy

SSE 6

96%

48°

High 54°

4 AM

49°

47°

Mostly Cloudy

78%
RAIN
.1–.25 in

0% Thunder
( 1% severe)

SSE 5

100%

49°

Overcast

Rain Likely

7 AM

49°

47°

Overcast

S 5

100%

49°

10 AM

51°

48°

Mostly Cloudy

63%
RAIN
.1–.25 in

0% Thunder
( 2% severe)

SE 7

93%

49°

1 PM

52°

50°

Overcast

SSE 7

93%

50°

4 PM

52°

50°

Overcast

75%
RAIN
***

0% Thunder
( 2% severe)

SSE 6

89%

49°

7 PM

50°

48°

Mostly Cloudy

SE 5

96%

49°

Thursday
19 MAR 2026

10 PM

49°

47°

Mostly Cloudy

80%
RAIN
***

0% Thunder
( 2% severe)

SSE 5

96%

48°

Low 47°

1 AM

49°

47°

Overcast

SE 5

96%

48°

High 55°

4 AM

49°

47°

Mostly Cloudy

82%
RAIN
***

0% Thunder
( 1% severe)

SE 5

96%

48°

Mostly Cloudy

Rain Likely

7 AM

49°

47°

Overcast

SE 6

96%

48°

10 AM

51°

48°

Mostly Cloudy

76%
RAIN
***

0% Thunder
( 2% severe)

SSE 7

93%

49°

1 PM

53°

51°

Mostly Cloudy

SSE 7

90%

50°

4 PM

53°

52°

Overcast

SSE 5

86%

49°


FRIDAY HARBOR, WA extended weather forecast
Friday 20 MAR 2026	Saturday 21 MAR 2026	Sunday 22 MAR 2026	Monday 23 MAR 2026	Tuesday 24 MAR 2026
Low 49°	Low 38°	Low 36°	Low 33°	Low 37°
High 58°	High 50°	High 51°	High 53°	High 51°

Overcast 99% Rain	Mostly Cloudy 76% Rain	Overcast 46% Rain	Partly Cloudy 28% Rain	Overcast 64% Rain

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