7-Day Forecast 42.3°N 71.29°W (Text-Only)
NWS Forecast for: Wellesley MA
Issued by: National Weather Service Norton, MA
Last Update: 3:27 pm EDT Jul 15, 2025




Tonight: Isolated showers and thunderstorms before 8pm. Mostly clear, with a low around 70. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

Wednesday: Mostly sunny and hot, with a high near 94. Heat index values as high as 100. Calm wind becoming southwest around 6 mph in the afternoon.

Wednesday Night: A slight chance of showers after 2am. Increasing clouds, with a low around 75. Southwest wind around 6 mph. Chance of precipitation is 20%.

Thursday: A chance of showers and thunderstorms. Mostly cloudy and hot, with a high near 90. Heat index values as high as 99. Southwest wind 6 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 75. Southwest wind around 6 mph. Chance of precipitation is 30%.

Friday: Mostly sunny, with a high near 86. Northwest wind around 7 mph.

Friday Night: Mostly clear, with a low around 63. North wind 3 to 5 mph.

Saturday: Sunny, with a high near 83. Light and variable wind becoming northeast around 5 mph in the morning.

Saturday Night: Mostly cloudy, with a low around 65. Southwest wind 3 to 6 mph.

Sunday: A chance of showers after 9am. Partly sunny, with a high near 83. South wind 5 to 8 mph. Chance of precipitation is 40%.

Sunday Night: A chance of showers. Mostly cloudy, with a low around 66. South wind around 6 mph becoming west after midnight. Chance of precipitation is 40%.

Monday: Mostly sunny, with a high near 82. North wind around 6 mph.

Monday Night: Partly cloudy, with a low around 62. North wind around 5 mph becoming calm in the evening.

Tuesday: Mostly sunny, with a high near 81. Light and variable wind becoming east around 6 mph in the morning.



Wellesley MA
 42.3°N 71.29°W (Elev. 148 ft)

Visit your local NWS office at: https://www.weather.gov/boston