The highest day temperature in March 2025 was 81°F. The lowest night temperature was 18°F. The average values for day and night temperatures during March were 55.4°F и 39.6°F respectivly.

The average sea surface temperature in March 2025 for New Castle was 42.6°F. The maximum and minimum values were 35.6°F and 49.2°F respectively.

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

Precipitation total in March for New Castle is 1.1 in.

The average wind speed in March is 9.2 mph. It makes March the most windy month of the year for New Castle.

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 New Castle in March is 6.6 hours.