Boston/ Weather & Environment

Sun-Soaked Saturday in Boston Before Sunday Night Soaker Rolls In

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Published on August 15, 2026
Sun-Soaked Saturday in Boston Before Sunday Night Soaker Rolls InSource: Google Street View

Boston is starting Saturday with mostly clear skies and temperatures around 66 degrees, setting up a comfortable summer day before the weather turns wetter late Sunday. Afternoon temperatures should reach about 79 degrees, with light north winds and virtually no rain threat for outdoor plans across the city.

Sunny Saturday, Cool Night Ahead

Skies will stay sunny to mostly sunny through the afternoon, while winds remain light at 3 to 7 mph. Temperatures ease back Saturday night, with mostly clear conditions and a low near 61 degrees.

Beachgoers should still check with lifeguards and local beach staff because the National Weather Service is flagging a moderate rip-current risk for Saturday and Sunday. There are no watches, warnings or advisories posted for Boston.

Sunday Stays Dry Until Night

Sunday should bring another sunny and seasonable day, with a high near 82 degrees and an east wind of 2 to 10 mph. Most daylight hours look dry, though clouds will gradually increase as a storm system approaches from the west.

Rain showers become likely after 10 p.m. Sunday, with a 70% chance of precipitation and roughly a quarter- to half-inch of rain possible. That makes Sunday afternoon the better window for outdoor plans, while late-night drivers should be ready for wet roads and reduced visibility.

Monday Turns Wet And Breezy

Showers are likely Monday, with mostly cloudy skies, east winds around 9 to 13 mph and a high near 77 degrees. Forecasters say locally heavier downpours are possible, although the overall setup is not expected to produce widespread flooding.

Rain chances drop sharply Monday night, and quieter weather returns Tuesday and Wednesday with mostly sunny skies and highs near 81 degrees. Another round of shower and thunderstorm chances may develop Thursday, followed by cooler conditions Friday.

Boston-Weather & Environment