Zone Forecast Product for Southern New England National Weather Service Boston/Norton MA 403 AM EDT Tue Sep 8 2026 Southeast Middlesex MA- Including the city of Cambridge 403 AM EDT Tue Sep 8 2026 .TODAY...Partly sunny. Highs in the upper 70s. West winds 5 to 10 mph, becoming north this afternoon. .TONIGHT...Mostly cloudy. Lows around 60. East winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Highs in the lower 80s. South winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 30 mph. .THURSDAY...Partly sunny with a 40 percent chance of showers. Humid with highs in the upper 80s. West winds 10 to 15 mph with gusts up to 30 mph. .THURSDAY NIGHT...Mostly cloudy. Lows in the lower 60s. .FRIDAY...Sunny, cooler with highs in the mid 70s. .FRIDAY NIGHT...Clear, cooler with lows in the lower 50s. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT THROUGH MONDAY...Partly cloudy. Lows around 60. Highs around 80.