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Polar vortex to unleash 3 blasts of Arctic air into mid-December. See the forecast. Chevron right
Next winter storm hinges on upcoming Arctic blast. Get the details. Chevron right

Port San Juan, AK

37°F
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Port San Juan

Alaska

37°
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Port San Juan, AK Weather
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4 AM

40°
RealFeel® 24°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 75%
Chevron down
Rain

WindNNW 17 mph

Air QualityExcellent

Wind Gusts20 mph

Humidity100%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility6 mi

Cloud Ceiling1700 ft

5 AM

40°
RealFeel® 24°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 75%
Chevron down
Rain

WindNNW 17 mph

Air QualityExcellent

Wind Gusts20 mph

Humidity100%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility6 mi

Cloud Ceiling1600 ft

6 AM

40°
RealFeel® 24°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 75%
Chevron down
Rain

WindNNW 16 mph

Air QualityExcellent

Wind Gusts20 mph

Humidity100%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.03 in

Visibility6 mi

Cloud Ceiling1600 ft

7 AM

40°
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 56%
Chevron down
Rain

WindNNW 13 mph

Air QualityExcellent

Wind Gusts14 mph

Humidity96%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility3 mi

Cloud Ceiling1900 ft

8 AM

41°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindNNW 14 mph

Air QualityExcellent

Wind Gusts15 mph

Humidity95%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1500 ft

9 AM

42°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindNNW 14 mph

Air QualityExcellent

Wind Gusts15 mph

Humidity95%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility5 mi

Cloud Ceiling1500 ft

10 AM

42°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 60%
Chevron down
Rain

RealFeel Shade™30°

WindNNW 13 mph

Air QualityExcellent

Max UV Index0.1 (Low)

Wind Gusts14 mph

Humidity94%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.01 in

Visibility1.83 mi

Cloud Ceiling1600 ft

11 AM

42°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™33°

WindNNW 13 mph

Air QualityExcellent

Max UV Index0.1 (Low)

Wind Gusts14 mph

Humidity93%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1600 ft

12 PM

42°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 61%
Chevron down
Rain

RealFeel Shade™31°

WindNNW 13 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts14 mph

Humidity92%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility1.50 mi

Cloud Ceiling1400 ft

1 PM

42°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 25%
Chevron down
Cloudy

RealFeel Shade™33°

WindNNW 12 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts13 mph

Humidity92%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1200 ft

2 PM

42°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™34°

WindNNW 12 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts13 mph

Humidity92%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1100 ft

3 PM

42°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™34°

WindNNW 10 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts12 mph

Humidity91%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility5 mi

Cloud Ceiling1000 ft

4 PM

42°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindNNW 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity91%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility5 mi

Cloud Ceiling1000 ft

5 PM

42°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindNNW 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity91%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1000 ft

6 PM

43°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 15%
Chevron down
Cloudy

WindNNW 8 mph

Air QualityFair

Wind Gusts10 mph

Humidity88%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1000 ft

7 PM

42°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 5%
Chevron down
Cloudy

WindNNW 7 mph

Air QualityFair

Wind Gusts10 mph

Humidity91%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1000 ft

8 PM

42°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 5%
Chevron down
Cloudy

WindNNW 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity91%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility6 mi

Cloud Ceiling1000 ft

9 PM

42°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 6%
Chevron down
Cloudy

WindNNW 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity92%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Visibility6 mi

Cloud Ceiling1000 ft

10 PM

42°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindNNW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity91%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility6 mi

Cloud Ceiling1000 ft

11 PM

41°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindNNW 4 mph

Air QualityFair

Wind Gusts4 mph

Humidity91%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility6 mi

Cloud Ceiling1100 ft

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World North America United States Alaska Port San Juan

Weather Near Port San Juan:

  • Anchorage, AK
  • Knik-Fairview, AK
  • Tanaina, AK
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