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...S wind 25 kt. Seas 7 ft. Rain showers. .SAT NIGHT...S wind 20 kt. Seas 8 ft. Rain showers. .SUN...NW wind 15 kt. Seas 6 ft. .SUN NIGHT...N wind 20 kt. Seas 5 ft. .MON...NW wind 20 kt. Seas 5 ft. .TUE...NW wind 15 kt. Seas 4 ft. .WED...N wind 10 kt. Seas 3 ft.
Weather in South Naknek, AK
Updated 2026-09-26 06:00 local time · ZIP codes 99670

Overcast
Active alerts
Next hours
46°24% rain
48°28% rain
49°24% rain
49°28% rain
49°36% rain
48°53% rain
47°55% rain
47°51% rain
48°26% rain
50°52% rain
50°37% rain
50°30% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 55% over the next 12 hours.
It feels like 40°F with winds near 17 mph.
48°F, 26% rain chance and 10 mph wind.
Visibility is around 10 mi; gusts may reach 39 mph.
Current temperature is 46°F, wind 17 mph, rain chance up to 55%.
UV index is 0.
Local weather characteristics in South Naknek
Alaska spans Arctic, subarctic and maritime climates, so temperatures and precipitation can differ sharply between the coast, interior and far north.
South Naknek is part of the West weather region. The forecast point is near 58.72°N latitude and 157.00°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.
South Naknek weather today
Overcast and 46°F in South Naknek, AK. Today's high is 51°F with a 81% rain chance. Winds are around 17 mph with gusts near 32 mph. Relative humidity is 81%, pressure is 29.24 inHg, and visibility is about 10 miles.
Tonight and tomorrow in South Naknek
Sunrise is at 08:21 AM and sunset is at 08:16 PM. Tomorrow's forecast calls for Light rain shower with a high near 48°F and a low near 43°F. The maximum rain chance is 89%.