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Milwaukee August Weather

Averages and records for weather in Milwaukee, Wisconsin in the month of August.

Typical Milwaukee August Weather 1991–2020
Average daily high	79.4 °F
Average daily low	63.7 °F
Average monthly precipitation	3.6 inches
Average monthly snow	none
Daily chance of precipitation	30.5%
Daily chance of snow	0%

Milwaukee August Weather Records 1871–2024
Highest temperature	103 °F	August 1, 1988
Lowest temperature	42 °F	August 30, 1915
Highest daily low	80 °F	August 1, 2006
Lowest daily high	58 °F	August 30, 1915
Hottest average high temperature	86.5 °F	1955
Coldest average high temperature	70.9 °F	1915
Most daily precipitation	6.8 inches	August 6, 1986
Most monthly precipitation	9.1 inches	1987
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	80.4	64.5	103	49
August 2	80.3	64.4	99	50
August 3	80.3	64.4	100	47
August 4	80.1	64.3	99	49
August 5	80.0	64.2	98	48
August 6	79.9	64.2	101	50
August 7	80.0	64.1	96	50
August 8	79.9	64.1	97	48
August 9	79.8	64.0	97	49
August 10	79.8	64.0	97	48
August 11	79.8	64.0	98	47
August 12	79.8	64.0	94	48
August 13	79.8	64.0	97	48
August 14	79.7	64.0	96	47
August 15	79.6	63.9	93	46
August 16	79.4	63.8	100	46
August 17	79.2	63.6	100	49
August 18	79.1	63.5	97	44
August 19	79.1	63.4	98	50
August 20	79.0	63.3	97	44
August 21	78.9	63.1	100	46
August 22	78.8	62.9	98	43
August 23	78.7	62.8	101	42
August 24	78.6	62.7	100	47
August 25	78.4	62.5	94	44
August 26	78.2	62.3	96	47
August 27	78.0	62.1	99	48
August 28	77.9	61.9	97	45
August 29	77.8	61.7	96	44
August 30	77.6	61.5	96	42
August 31	77.3	61.3	97	45

Weather Station Details

Years	Station	Coordinates
1939–2024	Milwaukee Mitchell Airport	location
1871–1938	Milwaukee WB	location