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...SE wind 30 kt. Seas 7 ft. Rain showers. .SAT...SE wind 25 kt. Seas 7 ft. Rain showers. .SAT NIGHT...E wind 20 kt. Seas 6 ft. Rain showers. .SUN AND SUN NIGHT...N wind 20 kt. Seas 4 ft. .MON...NW wind 25 kt. Seas 5 ft. .TUE...NW wind 15 kt. Seas 4 ft. .WED...N wind 20 kt. Seas 3 ft.
Weather in Platinum, AK
Updated 2026-09-26 08:00 local time · ZIP codes 99651

Overcast
Active alerts
Next hours
48°62% rain
47°75% rain
47°78% rain
47°54% rain
47°53% rain
47°53% rain
47°42% rain
47°77% rain
47°67% rain
47°69% rain
47°76% rain
46°74% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 78% over the next 12 hours.
It feels like 43°F with winds near 14 mph.
47°F, 53% rain chance and 16 mph wind.
Visibility is around 10 mi; gusts may reach 35 mph.
Current temperature is 48°F, wind 14 mph, rain chance up to 78%.
UV index is 0.
Local weather characteristics in Platinum
Alaska spans Arctic, subarctic and maritime climates, so temperatures and precipitation can differ sharply between the coast, interior and far north.
Platinum is part of the West weather region. The forecast point is near 59.01°N latitude and 161.82°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.
Platinum weather today
Overcast and 48°F in Platinum, AK. Today's high is 49°F with a 92% rain chance. Winds are around 14 mph with gusts near 19 mph. Relative humidity is 94%, pressure is 29.08 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Platinum
Sunrise is at 08:41 AM and sunset is at 08:36 PM. Tomorrow's forecast calls for Light rain shower with a high near 48°F and a low near 46°F. The maximum rain chance is 87%.