The highest day temperature in March 2026 was 83°F. The lowest night temperature was 49°F. The average values for day and night temperatures during March were 75.8°F и 69.6°F respectivly.

The average sea surface temperature in March 2026 for Mustang Island was 72.9°F. The maximum and minimum values were 67.8°F and 77.4°F respectively.

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

Precipitation total in March for Mustang Island is 0.3 in. It makes march one of the least rainy months of the year.

The average wind speed in March is 13.2 mph. It makes March one of the most windy months of the year for Mustang Island.

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 Mustang Island in March is 6.6 hours.