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Sedro-Woolley August Weather

Averages and records for weather in Sedro-Woolley, Washington in the month of August.

Typical Sedro-Woolley August Weather 1991–2020
Average daily high	75.8 °F
Average daily low	53.2 °F
Average monthly precipitation	1.5 inches
Average monthly snow	none
Daily chance of precipitation	22.4%
Daily chance of snow	0%

Sedro-Woolley August Weather Records 1896–2024
Highest temperature	97 °F	August 9, 1960
Lowest temperature	34 °F	August 24, 1910
Highest daily low	74 °F	August 16, 2023
Lowest daily high	57 °F	August 27, 1964
Hottest average high temperature	81.9 °F	1917
Coldest average high temperature	68.7 °F	1976
Most daily precipitation	2.7 inches	August 22, 2004
Most monthly precipitation	7.5 inches	2004
Most daily snow	none	-
Most monthly snow	none	-

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
August 1	76.5	53.7	94	39
August 2	76.6	53.6	89	38
August 3	76.6	53.7	87	40
August 4	76.6	53.6	88	37
August 5	76.7	53.6	90	37
August 6	76.7	53.6	95	36
August 7	76.6	53.5	88	37
August 8	76.6	53.5	95	40
August 9	76.5	53.5	97	42
August 10	76.5	53.4	90	39
August 11	76.4	53.3	89	40
August 12	76.2	53.3	90	40
August 13	76.1	53.2	90	39
August 14	76.1	53.2	88	40
August 15	76.0	53.2	88	41
August 16	75.9	53.3	92	39
August 17	75.8	53.3	93	38
August 18	75.6	53.2	92	39
August 19	75.4	53.1	87	40
August 20	75.3	53.1	87	36
August 21	75.2	53.0	87	39
August 22	75.1	52.9	88	40
August 23	75.0	52.7	86	39
August 24	74.8	52.6	89	34
August 25	74.7	52.5	90	38
August 26	74.6	52.4	87	39
August 27	74.4	52.3	89	39
August 28	74.3	52.1	86	40
August 29	74.1	52.0	90	37
August 30	73.8	51.8	89	34
August 31	73.6	51.7	85	35

Weather Station Details

Years	Station	Coordinates
1896–2024	Sedro-Woolley	location