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Ephrata August Weather

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

Typical Ephrata August Weather 1991–2020
Average daily high	88.3 °F
Average daily low	59.8 °F
Average monthly precipitation	0.2 inches
Daily chance of precipitation	6.1%

Ephrata August Weather Records 1903–2024
Highest temperature	115 °F	August 4, 1961
Lowest temperature	36 °F	August 22, 1960
Highest daily low	82 °F	August 19, 2022
Lowest daily high	60 °F	August 29, 1951
Hottest average high temperature	95.7 °F	1967
Coldest average high temperature	81.2 °F	1954
Most daily precipitation	1.2 inches	August 4, 1911
Most monthly precipitation	2.2 inches	1912

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	90.8	62.3	106	50
August 2	90.8	62.2	104	45
August 3	90.8	62.1	107	51
August 4	90.8	62.0	115	48
August 5	90.7	62.0	105	45
August 6	90.6	61.9	105	46
August 7	90.5	61.7	104	49
August 8	90.3	61.5	105	46
August 9	90.1	61.3	107	47
August 10	89.7	61.1	107	46
August 11	89.4	60.8	106	44
August 12	89.1	60.6	104	46
August 13	88.9	60.3	105	47
August 14	88.8	60.2	103	44
August 15	88.6	60.0	104	49
August 16	88.3	59.8	105	45
August 17	88.1	59.6	106	45
August 18	87.8	59.3	108	41
August 19	87.5	59.0	106	45
August 20	87.2	58.7	104	47
August 21	87.0	58.4	102	45
August 22	86.8	58.2	101	36
August 23	86.5	58.0	104	37
August 24	86.2	57.7	104	40
August 25	85.9	57.4	102	45
August 26	85.5	57.1	100	45
August 27	85.3	56.8	101	47
August 28	85.0	56.5	103	43
August 29	84.7	56.2	100	41
August 30	84.4	55.9	102	40
August 31	84.0	55.6	101	43

Weather Station Details

Years	Station	Coordinates
1949–2024	Ephrata Municipal Airport	location
1903–1948	Ephrata	location