San Juan Islands, Washington Weather Forecast / Climate

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• Washington • San Juan Islands • Weather

In Depth

Weather information for the San Juan Islands area is provided below. Average temperatures, climate details and current forecasts are included!

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Climate
Current Forecast

Climate

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg. High	45	48	52	56	62	67	71	72	67	58	50	46
Avg. Low	36	38	38	41	45	48	51	52	48	45	40	37
Avg. Precip.	2.4	1.6	1.9	1.7	1.6	1.3	0.9	0.9	1.3	1.5	2.7	3.3

Live weather is currently unavailable.

Please visit weather.gov for current and forecasted weather.

Today

Sunny

Tonight

Partly Cloudy

Friday

Partly Sunny then Slight Chance Light Rain

Friday Night

Light Rain

Saturday

Light Rain

Saturday Night

Light Rain Likely

52°F

Wind 1 to 7 mph NW

38°F

Wind 3 mph SW

50°F

Wind 2 to 7 mph S

42°F

Wind 6 mph SE

53°F

Wind 8 mph SE

44°F

Wind 6 mph SE

Detailed Forecast
Today	Sunny. High near 52, with temperatures falling to around 49 in the afternoon. Northwest wind 1 to 7 mph.
Tonight	Partly cloudy. Low around 38, with temperatures rising to around 40 overnight. Southwest wind around 3 mph.
Friday	A slight chance of rain after 4pm. Partly sunny, with a high near 50. South wind 2 to 7 mph. Chance of precipitation is 20%.
Friday Night	Rain. Mostly cloudy, with a low around 42. Southeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Saturday	Rain. Mostly cloudy, with a high near 53. Southeast wind around 8 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night	Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday	Rain. Mostly cloudy, with a high near 53. Chance of precipitation is 80%.
Sunday Night	Rain. Mostly cloudy, with a low around 38.
Monday	Rain likely. Mostly cloudy, with a high near 49.
Monday Night	Rain likely. Mostly cloudy, with a low around 38.
Tuesday	Rain likely. Mostly cloudy, with a high near 49.
Tuesday Night	Rain likely. Mostly cloudy, with a low around 39.
Wednesday	Rain likely. Mostly cloudy, with a high near 49.
Wednesday Night	Rain likely. Mostly cloudy, with a low around 38.

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