Get the monthly weather forecast for Seattle, WA, including daily high/low, historical averages, to help you plan ahead.

In Seattle during March average daily high temperatures increase from 53°F to 57°F and it is overcast or mostly cloudy about 67% of the time.

This page gives detailed information on the typical March temperature, precipitation, sun, humidity, wind and storms for Seattle. The weather measurements are averages based on …

Check accurate weather in March in Seattle (WA). Expect Seattle March temperature around 12°C (53°F). Read clothing tips & recommended activities.

Jul 31, 2024 · Seattle records a steady low-temperature average of 37.4°F (3°C) during March. The average relative humidity in March is 82%. In Seattle, in March, during 8.9 rainfall days, …

March marks the beginning of spring in Seattle, with temperatures ranging from 39°F to 54°F (4°C to 12°C). Days continue to lengthen, with around 12 hours of daylight. While rain showers are …

Seattle sees up to 5 hours of sunshine per day throughout the month. The average expectation for rain fall for this month is 98 mm over 16 days. Seattle in this month expects an average of …

Oct 31, 2025 · The chart illustrates March temperature patterns in Seattle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures …

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Seattle in march. In march in Seattle, the climate is wet (with 2.8in …

Weather in Seattle in March. The highest day temperature during March of 2025 was 68 °F. At the same time the lowest night temperature was 36 °F. Daily and nightly averages during March …