The highest day temperature in March 2026 was 90°F. The lowest night temperature was 27°F. The average values for day and night temperatures during March were 60.2°F и 45.2°F respectivly.

The average sea surface temperature in March 2026 for Washington was 47.9°F. The maximum and minimum values were 38.0°F and 55.6°F respectively.

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

Precipitation total in March for Washington is 2.2 in.

The average wind speed in March is 9.0 mph. It makes March one of the most windy months of the year for Washington.

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 Washington in March is 7.0 hours.