The highest day temperature in March 2026 was 57°F. The lowest night temperature was 15°F. The average values for day and night temperatures during March were 43.5°F и 35.1°F respectivly.

The average sea surface temperature in March 2026 for Martha's Vineyard was 36.3°F. The maximum and minimum values were 31.8°F and 40.2°F respectively.

You can expect various weather conditions during March. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in March for Martha's Vineyard is 1.1 in. It makes march one of the most rainy months of the year.

The average wind speed in March is 14.4 mph. It makes March one of the most windy months of the year for Martha's Vineyard.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Martha's Vineyard in March is 6.0 hours.