- Seattle, WA Monthly Weather | AccuWeather
Get the monthly weather forecast for Seattle, WA, including daily high low, historical averages, to help you plan ahead
- January weather - Winter 2026 - Seattle, WA
Seattle starts January with an average high-temperature of a still chilly 45°F (7 2°C), hinting at a minimal fluctuation from December Night temperatures in January exhibit a subtle decrease, settling at an average of 36°F (2 2°C) The most humid month is January, with an average relative humidity of 85%
- 15 Best Things to Do in Seattle in January + Weather Info [2026] - CS . . .
Seattle weather in January will be cold but not frigid Temperatures during this month don’t typically get over 50°F, but they don’t typically slip into freezing temperatures either, rarely falling under 35°F
- Seattle (WA) Weather in January: Temperature, Rainfall, More
Explore the historical weather for Seattle in January in the calendar below Use the controls to switch between months and years, and toggle between temperature and rainfall
- Seattle January Weather, Average Temperature (Washington, United States . . .
This report illustrates the typical weather in Seattle, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016
- Monthly Weather - Seattle, Washington
Weather com brings you the most accurate monthly weather forecast for Seattle, Washington with average record and high low temperatures, precipitation and more
- Seattle weather in January 2026 | Seattle 14 day weather
Our weather forecast can give you a great sense of what weather to expect in Seattle in January 2026 If you’re planning to visit Seattle in the near future, we highly recommend that you review the 14 day weather forecast for Seattle before you arrive Click on a day for an hourly weather forecast
- Seattle WA Weather in January - Current Results
This page gives detailed information on the typical January temperature, precipitation, sun, humidity, wind and storms for Seattle The weather measurements are averages based on climate data gathered at Seattle — Tacoma International Airport, located south of the city center
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