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Baltimore August Weather

Averages and records for weather in Baltimore, Maryland in the month of August.

Typical Baltimore August Weather 1991–2020
Average daily high	86.0 °F
Average daily low	66.1 °F
Average monthly precipitation	4.1 inches
Average monthly snow	none
Daily chance of precipitation	30.9%
Daily chance of snow	0%

Baltimore August Weather Records 1871–2024
Highest temperature	105 °F	August 20, 1983
Lowest temperature	45 °F	August 30, 1986
Highest daily low	83 °F	August 5, 1930
Lowest daily high	62 °F	August 31, 1911
Hottest average high temperature	143.6 °F	1939
Coldest average high temperature	78.8 °F	1903
Most daily precipitation	7.6 inches	August 23, 1933
Most monthly precipitation	18.4 inches	1955
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	87.5	67.9	100	57
August 2	87.4	67.7	100	55
August 3	87.3	67.7	100	55
August 4	87.2	67.6	101	55
August 5	87.0	67.5	104	52
August 6	86.9	67.3	105	51
August 7	86.8	67.2	105	53
August 8	86.7	67.0	102	53
August 9	86.6	66.9	101	53
August 10	86.5	66.7	100	54
August 11	86.4	66.6	100	54
August 12	86.3	66.4	99	54
August 13	86.3	66.4	99	53
August 14	86.2	66.3	99	51
August 15	86.1	66.2	103	49
August 16	86.0	66.1	101	53
August 17	85.9	66.0	100	53
August 18	85.7	65.8	96	51
August 19	85.5	65.7	99	52
August 20	85.4	65.6	105	49
August 21	85.5	65.6	97	51
August 22	85.4	65.5	99	52
August 23	85.2	65.3	98	50
August 24	85.1	65.2	98	48
August 25	84.9	65.0	97	51
August 26	84.7	64.9	101	52
August 27	84.6	64.7	101	53
August 28	84.4	64.4	101	48
August 29	84.1	64.2	100	47
August 30	84.0	63.9	101	45
August 31	83.8	63.8	102	49

Weather Station Details

Years	Station	Coordinates
1940–2024	Baltimore International Airport	location
1871–1939	Baltimore Customs House	location