Weather By Day

March Weather In Seattle  
March Seattle Weather
Record High: 74°F
Normal High: 53°F
Normal Low: 39°F
Record Low: 22°F
Avg Monthly Rain: 3.75"
Rec 1 Day Rain: 2.13"
Avg Monthly Snow: 1.3"
Rec 1 Day Snow: 5.5"

Seattle Weather In March

The highest recorded temperature for Seattle for the past 66 years in March was 74 degrees Fahrenheit, measured on March 26, 1966, and the regular high is 53. The lowest documented temperature in March for Seattle for the past 66 years was 22 most recently registered on March 3, 1955, and the typical low is 39.

United States NWS historical Seattle March Weather data records that on March 15, 1955, the high temperature did not exceed 34 degrees Fahrenheit, the lowest high measured in Seattle in the past 66 years. Weather Service data also shows that on March 30, 1966, the lowest recorded temperature for the day did not drop below 54 degrees, the highest low measured temperature in Seattle in the last 66 years.

Historical weather data accumulated by the National Weather Service shows that the average daily high temperature in Seattle on March First is 49 degrees Fahrenheit and the average high on the last day of March is 55 degrees. The average daily low temperature in Seattle on March First is 38 degrees Fahrenheit and the average low on the last day of March is 43 degrees.

Seattle normally receives an average of 3.75 inches of rain during March. March Seattle Weather records show that on March 18, 1950 Seattle received 2.13 inches of rain, the most rain measured in a single day in March. Seattle averages 1.3 inches of snow in March. The highest snowfall measured in a single day in March was 5.5 inches on March 3, 1960.