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Seattle March Weather

Averages and records for weather in Seattle, Washington in the month of March.

Typical Seattle March Weather 1991–2020
Average daily high	53.3 °F
Average daily low	39.5 °F
Average monthly precipitation	4.2 inches
Average monthly snow	0.4 inches
Daily chance of precipitation	55.1%
Daily chance of snow	1.4%

Seattle March Weather Records 1894–2024
Highest temperature	79 °F	March 20, 2019
Lowest temperature	11 °F	March 4, 1955
Highest daily low	59 °F	March 19, 2019
Lowest daily high	29 °F	March 4, 1955
Hottest average high temperature	61.6 °F	1941
Coldest average high temperature	45.7 °F	1897
Most daily precipitation	2.7 inches	March 5, 1972
Most monthly precipitation	9.4 inches	2014
Most daily snow	6.0 inches	March 1, 1989
Most monthly snow	18.2 inches	1951

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
March 1	50.8	38.0	62	22
March 2	50.9	38.0	68	22
March 3	51.0	38.0	69	20
March 4	51.2	38.1	68	11
March 5	51.3	38.2	66	13
March 6	51.6	38.3	68	26
March 7	51.7	38.4	67	26
March 8	51.9	38.5	70	28
March 9	52.0	38.5	68	28
March 10	52.2	38.7	69	20
March 11	52.4	38.8	75	23
March 12	52.6	38.9	73	20
March 13	52.8	39.1	70	24
March 14	52.9	39.2	71	24
March 15	53.1	39.3	72	25
March 16	53.3	39.4	74	27
March 17	53.5	39.6	71	27
March 18	53.6	39.6	76	29
March 19	53.8	39.7	79	26
March 20	53.9	39.7	79	25
March 21	54.1	39.8	72	28
March 22	54.2	40.0	71	28
March 23	54.4	40.1	68	28
March 24	54.6	40.2	68	30
March 25	54.7	40.3	64	25
March 26	54.8	40.4	70	31
March 27	54.9	40.5	72	26
March 28	55.1	40.5	73	26
March 29	55.2	40.6	78	24
March 30	55.3	40.7	72	27
March 31	55.4	40.7	75	30

Weather Station Details

Years	Station	Coordinates
1948–2024	Seattle Tacoma International Airport	location
1894–1947	University of Washington	location