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

March Weather in Seattle Washington, United States Daily high temperatures increase by 4°F, from 53°F to 57°F, rarely falling below 46°F or exceeding 66°F.

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, 0.35" (9mm) …

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

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 still …

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 climate data gathered at …

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 throughout the …

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 3 days of snow …

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 were 50.7 °F …

Weather data for Seattle Wa ,us City in March each year, including total rainfall, number of sunny and rainy days, average high and low temperatures, and a statistical chart comparing the trends for each …