The highest day temperature in March 2026 was 89°F. The lowest night temperature was 56°F. The average values for day and night temperatures during March were 83.1°F и 67.2°F respectivly.

The average sea surface temperature in March 2026 for Marco Island was 76.1°F. The maximum and minimum values were 68.6°F and 81.6°F respectively.

Most of the days in March are sunny but you can also expect cloudy and gloomy days.

Precipitation total in March for Marco Island is 0.5 in.

The average wind speed in March is 9.8 mph. This value is relatively stable throughout the year.

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 Marco Island in March is 8.8 hours.