Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height. .TONIGHT...SW wind 30 kt increasing to 40 kt after midnight. Seas 6 ft. Rain showers. .SAT...SW wind 35 kt. Seas 5 ft. Rain showers. .SAT NIGHT...W wind 30 kt. Seas 5 ft. Rain showers. .SUN...W wind 25 kt. Seas 4 ft. .SUN NIGHT...NW wind 25 kt. Seas 9 ft. .MON...W wind 25 kt. Seas 5 ft. .TUE...W wind 20 kt. Seas 3 ft. .WED...E wind 20 kt. Seas 2 ft.
Weather in Unalaska, AK
Updated 2026-09-26 07:45 local time · ZIP codes 99685

Mist
Active alerts
Next hours
48°22% rain
48°20% rain
48°25% rain
48°25% rain
48°34% rain
48°36% rain
47°51% rain
48°26% rain
48°36% rain
48°28% rain
48°28% rain
48°27% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 51% over the next 12 hours.
It feels like 39°F with winds near 33 mph.
48°F, 20% rain chance and 34 mph wind.
Visibility is around 4 mi; gusts may reach 51 mph.
Current temperature is 48°F, wind 33 mph, rain chance up to 51%.
UV index is 0.
Local weather characteristics in Unalaska
Alaska spans Arctic, subarctic and maritime climates, so temperatures and precipitation can differ sharply between the coast, interior and far north.
Unalaska is part of the West weather region. The forecast point is near 53.87°N latitude and 166.54°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.
Unalaska weather today
Mist and 48°F in Unalaska, AK. Today's high is 49°F with a 72% rain chance. Winds are around 33 mph with gusts near 50 mph. Relative humidity is 82%, pressure is 29.28 inHg, and visibility is about 4 miles.
Tonight and tomorrow in Unalaska
Sunrise is at 08:59 AM and sunset is at 08:55 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 48°F and a low near 46°F. The maximum rain chance is 71%.