Weather in Saint Marys, AK
Updated 2026-09-26 07:15 local time · ZIP codes 99658
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
45°49% rain
44°56% rain
45°31% rain
45°46% rain46°25% rain
47°19% rain49°18% rain49°19% rain48°21% rain
47°24% rain47°23% rain46°32% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 56% over the next 12 hours.
It feels like 38°F with winds near 16 mph.
48°F, 21% rain chance and 18 mph wind.
Visibility is around 10 mi; gusts may reach 29 mph.
Current temperature is 45°F, wind 16 mph, rain chance up to 56%.
UV index is 0.
Local weather characteristics in Saint Marys
Alaska spans Arctic, subarctic and maritime climates, so temperatures and precipitation can differ sharply between the coast, interior and far north.
Saint Marys is part of the West weather region. The forecast point is near 62.05°N latitude and 163.17°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.
Saint Marys weather today
Overcast and 45°F in Saint Marys, AK. Today's high is 49°F with a 75% rain chance. Winds are around 16 mph with gusts near 24 mph. Relative humidity is 100%, pressure is 29.18 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Saint Marys
Sunrise is at 08:47 AM and sunset is at 08:40 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 47°F and a low near 42°F. The maximum rain chance is 66%.