Northwestern Alaska Coastal Waters out 100 NM Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent the average of the highest one- third of the combined wind-wave and swell height. .TONIGHT...E winds 25 kt. Seas building to 5 ft. .SAT...E winds 25 kt. Seas 5 ft. .SAT NIGHT...NE winds 15 kt. Seas 3 ft. .SUN...N winds 15 kt. Seas 3 ft. .SUN NIGHT...N winds 15 kt. Seas 3 ft. .MON...N winds 15 kt. Seas 3 ft. .MON NIGHT...N winds 15 kt. Seas 3 ft. .TUE...N winds 15 kt. Seas 3 ft. .WED...N winds 15 kt. Seas 3 ft.
Local weather forecast
Weather in Koyuk, AK
Updated 2026-09-26 06:00 local time · ZIP codes 99753
Now46°F
Cloudy
High / Low48° / 40°
Rain chance72%
Wind10 mph
Weather alerts
1Active alerts
Hourly
Next hours
Now46°28% rain
46°28% rain7 AM
41°27% rain
41°27% rain8 AM
41°27% rain
41°27% rain9 AM
41°29% rain
41°29% rain10 AM42°27% rain
42°27% rain11 AM42°38% rain
42°38% rain12 PM42°31% rain
42°31% rain1 PM43°36% rain
43°36% rain2 PM44°35% rain
44°35% rain3 PM
45°26% rain
45°26% rain4 PM47°30% rain
47°30% rain5 PM48°23% rain
48°23% rainForecast
3-day weather forecast
Today2026-09-26
48° 40°Overcast
Rain 72%Gust 12 mph
Tomorrow2026-09-27
49° 39°Cloudy
Rain 13%Gust 12 mph
Monday2026-09-28
43° 38°Overcast
Rain 24%Gust 9 mph
Conditions
Weather details
Feels like42°F
Humidity66%
Pressure29.34 inHg
Visibility10 mi
Wind10 mph NNE
Wind gusts13 mph
Precipitation0.00 in
UV index0
Daylight
Sunrise, sunset and moon
Sunrise08:39 AM
Sunset08:32 PM
Moonrise07:51 PM
Moon phaseFull Moon
Next 24 hours
Key weather changes ahead
Warmest hour5 PM · 48°F
Coolest hour5 AM · 40°F
Highest rain chance11 AM · 38%
Strongest gusts8 PM · 22 mph
Practical guide
Weather insights for today
Umbrella may help
There is a moderate rain chance, peaking near 38%.
A jacket or sweater is a good idea
It feels like 42°F with winds near 10 mph.
Best window: 5 PM
48°F, 23% rain chance and 8 mph wind.
Driving conditions look generally normal
Visibility is around 10 mi; gusts may reach 16 mph.
Run with a few weather adjustments
Current temperature is 46°F, wind 10 mph, rain chance up to 38%.
Low UV protection needs
UV index is 0.
Local weather characteristics in Koyuk
Alaska spans Arctic, subarctic and maritime climates, so temperatures and precipitation can differ sharply between the coast, interior and far north.
Koyuk is part of the West weather region. The forecast point is near 64.93°N latitude and 161.16°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Koyuk weather today
Cloudy and 46°F in Koyuk, AK. Today's high is 48°F with a 72% rain chance. Winds are around 10 mph with gusts near 13 mph. Relative humidity is 66%, pressure is 29.34 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Koyuk
Sunrise is at 08:39 AM and sunset is at 08:32 PM. Tomorrow's forecast calls for Cloudy with a high near 49°F and a low near 39°F. The maximum rain chance is 13%.
Nearby
Weather near Koyuk
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