The highest day temperature in April 2026 was 98°F. The lowest night temperature was 34°F. The average values for day and night temperatures during April were 73.0°F и 54.6°F respectivly.

The average sea surface temperature in April 2026 for Washington was 65.0°F. The maximum and minimum values were 56.6°F and 73.8°F respectively.

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

Precipitation total in April for Washington is 2.5 in.

The average wind speed in April is 9.0 mph. It makes April the most windy month 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 April is 7.6 hours.