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San Juan Island, WA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station  

Clear 40°F
Feels Like 40°F  
Humidity 97% Dew Point 39°F Wind Calm 0 MPH Barometer 30.09 in.764.3 mm
Solar Rad 0 w/m2 UV Index 0
Report from a personal weather station 0.5 miles E of central San Juan Island
at

Current Conditions From Nearby Local Station  

Clear 40°F
Feels Like 40°F  
Humidity 97% Dew Point 39°F Wind Calm 0 MPH Barometer 30.09 in.764.3 mm
Solar Rad 0 w/m2 UV Index 0
Report from a personal weather station 0.5 miles E of central San Juan Island
at

Point Forecast at a Glance

MonOct 6
Mon Oct 6: Sunny, High 67°F, Low 48°F
67°
48°
TueOct 7
Tue Oct 7: Sunny, High 66°F, Low 46°F
66°
46°
WedOct 8
Wed Oct 8: Rain, High 63°F, Low 47°F
30%
63°
47°
ThuOct 9
Thu Oct 9: Chance Rain Showers With Sunny, High 65°F, Low 48°F
20%
65°
48°
FriOct 10
Fri Oct 10: Rain, High 65°F, Low 47°F
50%
65°
47°
SatOct 11
Sat Oct 11: Rain Likely, High 62°F, Low 43°F
70%
62°
43°
SunOct 12
Sun Oct 12: Rain, High 61°F
50%
61°
 


This Date in Weather History

1985 - A tropical wave, later to become Tropical Storm Isabel, struck Puerto Rico. As much as 24 inches of rain fell in 24 hours, and the severe flooding and numerous landslides resulting from the rain claimed about 180 lives.

More on this and other weather history


San Juan Island 7 Day Weather Forecast Details

Monday Oct 6

Sunny

Day: Sunny. High near 67, with temperatures falling to around 65 in the afternoon. North wind around 3 mph.

Clear

Night: Mostly clear. Low around 48, with temperatures rising to around 50 overnight. North northwest wind around 2 mph.

Tuesday Oct 7

Sunny

Day: Mostly sunny, with a high near 66. Northwest wind around 3 mph.

Showers with Partly Cloudy

Night: A chance of rain after 5am. Partly cloudy, with a low around 46. West wind around 3 mph. Chance of precipitation is 30%.

Wednesday Oct 8

Rain

Day: A chance of rain. Partly sunny, with a high near 63. Chance of precipitation is 30%.

Rain

Night: A slight chance of rain. Partly cloudy, with a low around 47.

Thursday Oct 9

Chance Rain Showers With Sunny

Day: A slight chance of rain before 11am. Mostly sunny, with a high near 65.

Rain

Night: A chance of rain after 11pm. Mostly cloudy, with a low around 48.

Friday Oct 10

Rain

Day: A chance of rain. Partly sunny, with a high near 65.

Rain Likely

Night: Rain likely. Mostly cloudy, with a low around 47.

Saturday Oct 11

Rain Likely

Day: Rain likely. Mostly cloudy, with a high near 62.

Rain Likely

Night: Rain likely. Mostly cloudy, with a low around 43.

Sunday Oct 12

Rain

Day: A chance of rain. Partly sunny, with a high near 61.

Sun & Moon   Monthly

First Light 6:49 AM

Sunrise 7:20 AM

Sunset 6:42 PM

Last Light 7:13 PM

Moonrise 6:19 PM

Moonset 6:43 AM

Moon Phase

Close Tide Stations

Friday Harbor, San Juan Island
(3.4 miles away)

Kanaka Bay, San Juan Island
(3.9 miles away)

Hanbury Point, Mosquito Pass, San Juan I.
(4.8 miles away)

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Contiguous United States Extremes

Sun's High Temperature
99 at Rio Grande Village, TX

Sun's Low Temperature
15 at 27 Miles South Of Bonanza, UT


Weather Folklore

There will be a storm when porpoises sport and play.


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Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.