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Ellensburg August Weather

Averages and records for weather in Ellensburg, Washington in the month of August.

Typical Ellensburg August Weather 1991–2020
Average daily high	84.7 °F
Average daily low	53.1 °F
Average monthly precipitation	0.2 inches
Average monthly snow	none
Daily chance of precipitation	7.4%
Daily chance of snow	0%

Ellensburg August Weather Records 1893–2024
Highest temperature	105 °F	August 16, 2023
Lowest temperature	29 °F	August 25, 1910
Highest daily low	77 °F	August 21, 1894
Lowest daily high	52 °F	August 15, 2014
Hottest average high temperature	91.2 °F	1967
Coldest average high temperature	71.6 °F	1899
Most daily precipitation	1.6 inches	August 21, 1990
Most monthly precipitation	2.1 inches	1990
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	86.2	54.6	105	39
August 2	86.2	54.6	103	40
August 3	86.3	54.6	101	43
August 4	86.4	54.5	103	41
August 5	86.4	54.4	102	42
August 6	86.4	54.3	102	37
August 7	86.3	54.3	103	40
August 8	86.2	54.2	103	42
August 9	86.1	54.0	102	40
August 10	85.9	53.8	102	38
August 11	85.6	53.6	101	36
August 12	85.3	53.4	101	36
August 13	85.1	53.1	101	40
August 14	84.9	52.8	101	39
August 15	84.8	52.7	100	38
August 16	84.5	52.5	105	36
August 17	84.2	52.4	101	38
August 18	84.0	52.2	103	38
August 19	83.8	52.0	101	37
August 20	83.5	51.7	100	37
August 21	83.2	51.4	101	36
August 22	83.0	51.1	97	32
August 23	82.8	50.9	99	34
August 24	82.6	50.7	99	29
August 25	82.3	50.4	98	29
August 26	82.0	50.2	98	32
August 27	81.7	49.9	97	32
August 28	81.5	49.6	100	33
August 29	81.3	49.3	100	34
August 30	81.1	48.9	97	35
August 31	80.9	48.6	99	34

Weather Station Details

Years	Station	Coordinates
1893–2024	Ellensburg	location