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San Juan Island, WA

67°F
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San Juan Island

Washington

67°
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San Juan Island, WA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Hourly

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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3 PM

68°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™65°

WindSSW 9 mph

Air QualityExcellent

Max UV Index2.1 (Low)

Wind Gusts12 mph

Humidity64%

Indoor Humidity64% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4800 ft

4 PM

70°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™67°

WindSSW 9 mph

Air QualityExcellent

Max UV Index1.7 (Low)

Wind Gusts12 mph

Humidity62%

Indoor Humidity62% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling5900 ft

5 PM

68°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™65°

WindSSW 8 mph

Air QualityExcellent

Max UV Index1.2 (Low)

Wind Gusts12 mph

Humidity64%

Indoor Humidity64% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

6 PM

66°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™65°

WindSSW 7 mph

Air QualityExcellent

Max UV Index0.9 (Low)

Wind Gusts9 mph

Humidity69%

Indoor Humidity65% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14700 ft

7 PM

64°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™63°

WindSW 7 mph

Air QualityExcellent

Max UV Index0.5 (Low)

Wind Gusts7 mph

Humidity74%

Indoor Humidity64% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling22400 ft

8 PM

60°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™59°

WindSW 6 mph

Air QualityExcellent

Max UV Index0.0 (Low)

Wind Gusts6 mph

Humidity82%

Indoor Humidity62% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

57°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindSW 5 mph

Air QualityExcellent

Wind Gusts6 mph

Humidity89%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

54°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindWSW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity96%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

52°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindWNW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity100%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for San Juan Island

AccuWeather's hourly forecast for San Juan Island provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 68° with a RealFeel® of 68°, intermittent clouds with a 1% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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World North America United States Washington San Juan Island

Weather Near San Juan Island:

  • Bellevue, WA
  • Seattle, WA
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