Seattle (WA) Weather in March: Temperature Rainfall March in Seattle brings low temperatures around 12°C during the day, dropping to 4°C at night, with quite a bit of rainfall expected, averaging around 124 mm for the month
Seattle Weather in March | Temperature, Rain What to Pack In March, Seattle experiences average highs of 11°C (52°F) and lows of 3°C (37°F) Expect around 18 rainy days and 8 hours of sunshine per day, with humidity averaging 65%
Seattle March Weather Averages and records for weather in Seattle, Washington in the month of March
March Weather in Seattle: Temperatures, Humidity, Sunshine, and UV . . . The chart illustrates March temperature patterns in Seattle, showcasing daily minimum, maximum, and average temperatures It highlights the typical range of temperatures throughout the month, providing insights into weather trends
National Weather Service THE SEATTLE WA WFO CLIMATE SUMMARY FOR THE MONTH OF APRIL 2026 CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1894 TO 2026 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE (S) VALUE FROM VALUE DATE (S) NORMAL