The highest day temperature in April 2026 was 80°F. The lowest night temperature was 29°F. The average values for day and night temperatures during April were 53.8°F и 40.5°F respectivly.

The average sea surface temperature in April 2026 for Boston was 44.1°F. The maximum and minimum values were 40.0°F and 48.8°F respectively.

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

Precipitation total in April for Boston is 2.8 in. It makes april one of the most rainy months of the year.

The average wind speed in April is 10.2 mph. It makes April one of the most windy months of the year for Boston.

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 Boston in April is 6.9 hours.