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Pasco August Weather

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

Typical Pasco August Weather 1991–2020
Average daily high	90.7 °F
Average daily low	57.3 °F
Average monthly precipitation	0.2 inches
Daily chance of precipitation	6.6%

Pasco August Weather Records 1894–2024
Highest temperature	115 °F	August 10, 1898
Lowest temperature	37 °F	August 31, 1924
Highest daily low	80 °F	August 8, 1898
Lowest daily high	62 °F	August 30, 1912
Hottest average high temperature	96.8 °F	2022
Coldest average high temperature	83.1 °F	1899
Most daily precipitation	1.1 inches	August 30, 1977
Most monthly precipitation	1.7 inches	1977

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	93.3	59.1	109	45
August 2	93.3	59.0	109	45
August 3	93.2	58.9	105	44
August 4	93.2	58.9	108	47
August 5	93.2	58.9	112	43
August 6	93.0	58.8	111	45
August 7	92.9	58.7	108	44
August 8	92.7	58.6	112	45
August 9	92.5	58.5	109	42
August 10	92.2	58.4	115	48
August 11	91.9	58.2	107	44
August 12	91.6	58.0	106	45
August 13	91.4	57.8	106	45
August 14	91.2	57.6	105	45
August 15	91.0	57.5	109	43
August 16	90.7	57.3	107	42
August 17	90.5	57.1	110	45
August 18	90.3	56.9	106	44
August 19	90.0	56.6	106	42
August 20	89.7	56.3	106	42
August 21	89.4	56.1	104	42
August 22	89.1	55.8	104	41
August 23	88.8	55.5	107	44
August 24	88.5	55.2	102	41
August 25	88.2	55.0	104	41
August 26	87.9	54.7	102	41
August 27	87.5	54.4	100	42
August 28	87.2	54.2	103	44
August 29	87.0	53.9	103	38
August 30	86.6	53.6	102	41
August 31	86.3	53.3	103	37

Weather Station Details

Years	Station	Coordinates
1999–2024	Pasco Tri Cities Airport	location
1894–1998	Kennewick	location