Wednesday, May 21, 2025. Boston, MA - Weather Forecast

Boston, Massachusetts Weather:

Wednesday, May 21, 2025

Day 61°

Night 48°

Precipitation 25 %

Wind 7 mph

UV Index (0 - 11+) 9

Weather Forecast History

Last Year's Weather on This Day (May 21, 2024)

Day

84°

Night

54°