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Knoxville August Weather

Averages and records for weather in Knoxville, Tennessee in the month of August.

Typical Knoxville August Weather 1991–2020
Average daily high	87.7 °F
Average daily low	67.8 °F
Average monthly precipitation	3.6 inches
Average monthly snow	none
Daily chance of precipitation	31.5%
Daily chance of snow	0%

Knoxville August Weather Records 1910–2024
Highest temperature	102 °F	August 23, 2007
Lowest temperature	49 °F	August 31, 1946
Highest daily low	77 °F	August 24, 2007
Lowest daily high	62 °F	August 15, 1964
Hottest average high temperature	94.7 °F	2007
Coldest average high temperature	81.6 °F	1967
Most daily precipitation	3.3 inches	August 24, 1959
Most monthly precipitation	11.3 inches	1920
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	88.1	68.8	97	59
August 2	88.1	68.7	97	58
August 3	88.0	68.7	99	58
August 4	88.0	68.7	99	56
August 5	87.9	68.6	101	57
August 6	87.9	68.5	99	56
August 7	87.8	68.5	101	54
August 8	87.8	68.4	101	53
August 9	87.8	68.3	99	56
August 10	87.7	68.2	100	58
August 11	87.7	68.1	97	57
August 12	87.6	68.0	100	57
August 13	87.6	68.0	100	53
August 14	87.7	67.9	98	58
August 15	87.7	67.9	99	56
August 16	87.7	67.8	101	57
August 17	87.7	67.8	101	59
August 18	87.7	67.8	101	59
August 19	87.6	67.7	98	57
August 20	87.5	67.7	99	56
August 21	87.4	67.5	101	58
August 22	87.4	67.4	99	53
August 23	87.3	67.2	102	54
August 24	87.2	67.1	100	54
August 25	87.1	66.9	99	54
August 26	87.0	66.7	97	53
August 27	86.9	66.5	101	55
August 28	86.8	66.3	98	54
August 29	86.7	66.2	102	53
August 30	86.6	66.0	96	54
August 31	86.4	65.8	99	49

Weather Station Details

Years	Station	Coordinates
1910–2024	Knoxville McGhee Tyson Airport	location