The highest day temperature in March 2026 was 84°F. The lowest night temperature was 24°F. The average values for day and night temperatures during March were 55.0°F и 40.9°F respectivly.

The average sea surface temperature in March 2026 for New Castle was 41.5°F. The maximum and minimum values were 34.2°F and 49.4°F respectively.

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

Precipitation total in March for New Castle is 1.0 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 6.8 hours.