Coastal Waters Forecast for the Northern Gulf of Alaska Coast up to 100 nm out including Kodiak Island and Cook Inlet. 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...S wind 25 kt. Seas 11 ft. .SAT...S wind 25 kt. Seas 10 ft. Rain showers. .SAT NIGHT...SW wind 25 kt. Seas 9 ft. .SUN AND SUN NIGHT...W wind 20 kt. Seas 7 ft. .MON THROUGH TUE...W wind 20 kt. Seas 6 ft. .WED...W wind 15 kt. Seas 4 ft.
Local weather forecast
Weather in Old Harbor, AK
Updated 2026-09-26 07:00 local time · ZIP codes 99643
Now50°F
Mist
High / Low49° / 47°
Rain chance92%
Wind7 mph
Weather alerts
1Active alerts
Hourly
Next hours
Now50°71% rain
50°71% rain8 AM
49°84% rain
49°84% rain9 AM
49°56% rain
49°56% rain10 AM49°68% rain
49°68% rain11 AM
49°59% rain
49°59% rain12 PM
49°60% rain
49°60% rain1 PM49°46% rain
49°46% rain2 PM49°58% rain
49°58% rain3 PM48°54% rain
48°54% rain4 PM49°58% rain
49°58% rain5 PM48°63% rain
48°63% rain6 PM48°58% rain
48°58% rainForecast
3-day weather forecast
Today2026-09-26
49° 47°Light rain shower
Rain 92%Gust 20 mph
Tomorrow2026-09-27
50° 45°Light rain shower
Rain 89%Gust 18 mph
Monday2026-09-28
51° 42°Patchy rain nearby
Rain 56%Gust 19 mph
Conditions
Weather details
Feels like47°F
Humidity94%
Pressure29.38 inHg
Visibility2 mi
Wind7 mph ESE
Wind gusts13 mph
Precipitation0.03 in
UV index0
Daylight
Sunrise, sunset and moon
Sunrise08:06 AM
Sunset08:02 PM
Moonrise07:37 PM
Moon phaseFull Moon
Next 24 hours
Key weather changes ahead
Warmest hour7 AM · 50°F
Coolest hour6 AM · 47°F
Highest rain chance8 AM · 84%
Strongest gusts8 PM · 28 mph
Practical guide
Weather insights for today
Take an umbrella
Rain chance reaches about 84% over the next 12 hours.
A jacket or sweater is a good idea
It feels like 47°F with winds near 7 mph.
Best window: 1 PM
49°F, 46% rain chance and 15 mph wind.
Use extra caution while driving
Visibility is around 2 mi; gusts may reach 25 mph.
Running conditions are less comfortable
Current temperature is 50°F, wind 7 mph, rain chance up to 84%.
Low UV protection needs
UV index is 0.
Local weather characteristics in Old Harbor
Alaska spans Arctic, subarctic and maritime climates, so temperatures and precipitation can differ sharply between the coast, interior and far north.
Old Harbor is part of the West weather region. The forecast point is near 57.20°N latitude and 153.30°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.
Old Harbor weather today
Mist and 50°F in Old Harbor, AK. Today's high is 49°F with a 92% rain chance. Winds are around 7 mph with gusts near 13 mph. Relative humidity is 94%, pressure is 29.38 inHg, and visibility is about 2 miles.
Tonight and tomorrow in Old Harbor
Sunrise is at 08:06 AM and sunset is at 08:02 PM. Tomorrow's forecast calls for Light rain shower with a high near 50°F and a low near 45°F. The maximum rain chance is 89%.
Nearby
Weather near Old Harbor
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