Weather in Koyukuk, AK
Updated 2026-09-26 08:15 local time · ZIP codes 99754
Clear
No government weather alerts were returned for this location at the latest update.
Next hours
45°32% rain
34°31% rain36°28% rain38°24% rain40°22% rain42°20% rain43°17% rain44°17% rain45°17% rain45°18% rain44°20% rain42°22% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
There is a moderate rain chance, peaking near 32%.
It feels like 41°F with winds near 6 mph.
45°F, 17% rain chance and 8 mph wind.
Visibility is around 10 mi; gusts may reach 14 mph.
Current temperature is 45°F, wind 6 mph, rain chance up to 32%.
UV index is 0.
Local weather characteristics in Koyukuk
Alaska spans Arctic, subarctic and maritime climates, so temperatures and precipitation can differ sharply between the coast, interior and far north.
Koyukuk is part of the West weather region. The forecast point is near 64.88°N latitude and 157.70°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.
Koyukuk weather today
Clear and 45°F in Koyukuk, AK. Today's high is 45°F with a 25% rain chance. Winds are around 6 mph with gusts near 13 mph. Relative humidity is 61%, pressure is 29.45 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Koyukuk
Sunrise is at 08:25 AM and sunset is at 08:18 PM. Tomorrow's forecast calls for Cloudy with a high near 47°F and a low near 35°F. The maximum rain chance is 17%.