Oak Bluffs Harbor Weather Forecast
- 65
- 73
Partly Sunny
- 65
- 73
Rain Showers
- 51
- 74
Chance Rain Showers
- 59
- 70
Mostly Sunny
- 64
- 72
Mostly Sunny
- 64
- 74
Slight Chance Rain Showers
Today 12 Sep Dukes
Mostly sunny. Near steady temperature in the lower 70s. South Winds around 10 Mph.
Tonight 12 Sep Dukes
Partly cloudy in the Evening, then becoming mostly cloudy. Not as cool with Lows in the lower 60s. South Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight.
Oak Bluffs Harbor Temperature Statistics
September Temperature
Marthas Vineyard Airport (5 miles)
Lowest 7 September, 2026
52 °FAverage September
68.2 °FHighest 4 September, 2026
81 °F
Climate (2021–2026)
Marthas Vineyard Airport (5 miles)
Average Low 2021–2026
44.5 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
60.5 °F