San Juan Islands, Washington Weather Forecast / Climate

North America

• Washington • San Juan Islands • Weather

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

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Visit Anchorage Alaska

Visit Anchorage

AlaskaThe Best of Alaska Anchorage is the gateway to Alaska adventure.
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Kitsap Peninsula Puget Sound

Kitsap Peninsula

Puget SoundThe Kitsap Peninsula is for those who are drawn to the sea. Located in the heart of Puget Sound, the Peninsula is surrounded by over 300 miles of shoreline and is situated between the dramatic mountain Olympic and Cascade mountains ranges of Washington.
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Grays Harbor Western

Grays Harbor

WesternSpend time for part of the day relaxing near the inspiring Pacific Ocean, then, if the mood strikes you, you could find yourself in a lush rain forest one hour later. Although water is a big part of Grays Harbor, there are still beautiful land-based places to visit and enjoy.
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Oregon's Mt Hood Territory Northern Oregon

Oregon's Mt Hood Territory

Northern OregonFrom majestic Mount Hood to the green and sprawling Willamette Valley, Oregon's Mount Hood Territory is a place to be explored. Enjoy conquering historic hiking trails or take on Mount Hood on skis for an experience not soon to be forgotten.
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Olympic Peninsula Northwestern Washington

Olympic Peninsula

Northwestern WashingtonIf over 60 miles of pristine wilderness coastline sounds appealing to you, the Olympic Peninsula is the place to be. Several untouched beaches provide scenery which makes a perfect setting for a romantic stroll or a reflective solitary walk along the shore.
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Bellingham Whatcom County Canadian Border

Bellingham Whatcom County

Canadian BorderWe offer a break from the ordinary. With magnificent natural scenery, skiing and snowboarding at Mt. Baker, hiking, arts and theatre, charming villages and water adventures like whale watching – Bellingham Whatcom County is a unique area of Washington state. Visit our website to plan your trip.
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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

Mostly Clear

Saturday

Mostly Sunny then Light Rain

Saturday Night

Light Rain then Chance Rain Showers

Sunday

Chance Rain Showers

Sunday Night

Mostly Clear

66°F

Wind 7 mph NNE

43°F

Wind 7 mph NE

63°F

Wind 5 to 9 mph SE

42°F

Wind 8 to 14 mph SW

58°F

Wind 13 mph SW

40°F

Wind 7 to 13 mph W

Detailed Forecast
Today	Sunny. High near 66, with temperatures falling to around 64 in the afternoon. North northeast wind around 7 mph.
Tonight	Mostly clear. Low around 43, with temperatures rising to around 45 overnight. Northeast wind around 7 mph.
Saturday	Rain after 5pm. Mostly sunny. High near 63, with temperatures falling to around 56 in the afternoon. Southeast wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Saturday Night	Rain before 11pm, then a chance of rain showers. Mostly cloudy, with a low around 42. Southwest wind 8 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday	A chance of rain showers before 5pm. Partly sunny, with a high near 58. Southwest wind around 13 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Sunday Night	Mostly clear, with a low around 40.
Monday	Mostly sunny, with a high near 59.
Monday Night	Mostly cloudy, with a low around 44.
Tuesday	A slight chance of rain showers after 5pm. Partly sunny, with a high near 62.
Tuesday Night	A chance of rain showers. Mostly cloudy, with a low around 44.
Wednesday	A chance of rain showers. Partly sunny, with a high near 59.
Wednesday Night	A slight chance of rain showers before 5am, then a chance of rain. Mostly cloudy, with a low around 44.
Thursday	A chance of rain. Mostly cloudy, with a high near 60.
Thursday Night	A slight chance of rain before 11pm. Mostly cloudy, with a low around 44.

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