The highest day temperature in March 2025 was 60°F. The lowest night temperature was 15°F. The average values for day and night temperatures during March were 48.1°F и 36.3°F respectivly.

The average sea surface temperature in March 2025 for Old Saybrook was 38.2°F. The maximum and minimum values were 35.2°F and 41.2°F respectively.

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

Precipitation total in March for Old Saybrook is 1.3 in.

The average wind speed in March is 10.5 mph. It makes March one of the most windy months of the year for Old Saybrook.

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 Old Saybrook in March is 6.2 hours.