Typical August highs at South Shore reach about 72°F, with reliable beach weather August. South Shore is located in Nantucket, Massachusetts.
Nantucket, Massachusetts · live parking & conditions · updated June 19, 2026
In a typical year August is the warmest month here, with highs near 72°F, and it's reliably beach weather August. Tap South Shore on the map for live surf, wind, water temperature, UV and tide times.
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