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Springlike warmth in East to be erased by upcoming cold wave. Get the forecast. Chevron right

Port San Juan, AK

11°F
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Port San Juan

Alaska

11°
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Port San Juan, AK Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar Monthly Air Quality Health & Activities

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Winter Center
Today WinterCast Hourly Daily Radar Monthly Air Quality Health & Activities
Friday, January 9

Current Weather

3:20 AM

11°F
Light snow
RealFeel® -16°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
RealFeel®
-16°
Wind
NNE 21 mph
Wind Gusts
27 mph
Humidity
81%
Indoor Humidity
21% (Very Dry)
Dew Point
6° F
Pressure
↓ 28.85 in
Cloud Cover
89%
Visibility
4 mi
Cloud Ceiling
3300 ft

Day

1/9
34°Hi
RealFeel® 14°
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
RealFeel Shade™ 14°
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
Periods of snow, some heavy, accumulating 1-3 inches; not as cold, windy this afternoon
alerts

Winter Storm Watch

3:00 PM Friday - 9:00 AM Sunday

Max UV Index0.0 (Low)

AccuLumen Brightness Index™1 (Dark)

WindNNE 21 mph

Wind Gusts40 mph

Probability of Precipitation96%

Probability of Thunderstorms5%

Precipitation0.26 in

Snow2.44 in

Hours of Precipitation7

Cloud Cover98%

Morning

Afternoon

Night

1/9
30°Lo
RealFeel® 8°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
Rain and snow, some heavy this evening, accumulating 1-3 inches; windy with late-night rain; storm total snowfall 3-6 inches
alerts

Winter Storm Watch

3:00 PM Friday - 9:00 AM Sunday

WindE 22 mph

Wind Gusts35 mph

Probability of Precipitation98%

Probability of Thunderstorms0%

Precipitation0.59 in

Rain0.38 in

Snow1.61 in

Hours of Precipitation8

Hours of Rain6

Cloud Cover99%

Evening

Overnight

Sun & Moon

6 hrs 21 mins
Rise 9:49 AM
Set 4:10 PM
Waning Gibbous
Rise 12:18 AM
Set 11:22 AM

Temperature History

1/9
High
Low
Forecast
34°
30°
Average
29°
15°
Last Year
42°
32°

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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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