Weather forecast in Cook Inlet (AK)

This data display current weather and forecast for the coming days in Cook Inlet. In addition to temperature, wind, humidity and pressure, we include data on the probability of precipitation so you can have all the information about your destination before your trip.

Cook Inlet current temperature and weather

September 20, 2025

Night
49.1°F Feels like: 46.9°F	Mist
	Wind: 5.6 mph (9 Km/h) N Pressure: 29.16 inHg (988 hPa) Humidity: 94%	Precip. prob.: 60% Visibility: 1 mi (2 km) UV index: 0
Morning
48°F Feels like: 48°F	Overcast
	Wind: 0.9 mph (1.4 Km/h) N Pressure: 29.2 inHg (989 hPa) Humidity: 91%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0.1
Day
52.3°F Feels like: 52.5°F	Overcast
	Wind: 2.7 mph (4.3 Km/h) W Pressure: 29.25 inHg (990 hPa) Humidity: 78%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0.5
Evening
50.4°F Feels like: 50°F	Patchy rain nearby
	Wind: 2.9 mph (4.7 Km/h) SW Pressure: 29.28 inHg (991 hPa) Humidity: 90%	Precip. prob.: 88% Visibility: 6 mi (10 km) UV index: 0

Marine weather forecast Cook Inlet

The graphs show wave heights and directions, as well as wind speed and direction in Cook Inlet for the coming days. Click on the sea state chart for more details

In order for you to be able to estimate what the weather is like in Cook Inlet throughout the year, we provide monthly data for the last few years. Select the month you are interested in.

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Our report for Cook Inlet is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.