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Martha's Vineyard August Weather

Averages and records for weather in Martha's Vineyard, Massachusetts in the month of August.

Typical Martha's Vineyard August Weather 1991–2020
Average daily high	79.7 °F
Average daily low	63.5 °F
Average monthly precipitation	3.7 inches
Average monthly snow	none
Daily chance of precipitation	28.6%
Daily chance of snow	0%

Martha's Vineyard August Weather Records 1946–2024
Highest temperature	99 °F	August 27, 1948
Lowest temperature	41 °F	August 30, 1986
Highest daily low	75 °F	August 9, 2022
Lowest daily high	59 °F	August 29, 1986
Hottest average high temperature	82.8 °F	2015
Coldest average high temperature	73.5 °F	1962
Most daily precipitation	6.0 inches	August 31, 1985
Most monthly precipitation	13.8 inches	1946
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	80.7	64.7	91	52
August 2	80.6	64.6	92	45
August 3	80.5	64.6	96	46
August 4	80.5	64.6	96	47
August 5	80.4	64.6	89	49
August 6	80.3	64.5	88	47
August 7	80.2	64.4	88	48
August 8	80.1	64.3	93	51
August 9	80.1	64.3	91	50
August 10	80.1	64.2	91	46
August 11	80.1	64.1	98	49
August 12	80.0	63.9	94	49
August 13	80.0	63.8	86	48
August 14	79.9	63.7	88	48
August 15	79.8	63.7	90	48
August 16	79.7	63.5	88	50
August 17	79.6	63.4	90	49
August 18	79.5	63.3	92	50
August 19	79.4	63.1	89	48
August 20	79.2	62.8	89	49
August 21	79.1	62.8	90	44
August 22	79.0	62.8	90	47
August 23	78.9	62.6	93	45
August 24	78.7	62.5	87	44
August 25	78.6	62.4	88	46
August 26	78.4	62.3	90	45
August 27	78.3	62.2	99	47
August 28	78.1	62.0	97	49
August 29	78.0	61.7	98	42
August 30	77.7	61.5	92	41
August 31	77.6	61.4	93	43

Weather Station Details

Years	Station	Coordinates
1946–2024	Edgartown	location