Weather for Somerville, MA

Heat Advisory until 08:00 tomorrow

* WHAT...Heat index values up to 100. * WHERE...Much of Southern New England. * WHEN...Until 7 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

This Afternoon

90°F / 32°C

Isolated showers and thunderstorms after 5pm. Partly sunny, with a high near 90. Heat index values as high as 95. Southwest wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Tonight

71°F / 22°C

Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Southwest wind 2 to 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

93°F / 34°C

Sunny, with a high near 93. Heat index values as high as 99. Southwest wind 2 to 7 mph.

Wednesday Night

76°F / 24°C

A slight chance of rain showers after 3am. Mostly cloudy, with a low around 76. Heat index values as high as 97. Southwest wind around 7 mph. Chance of precipitation is 20%.

Thursday

91°F / 33°C

A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 91. Southwest wind 6 to 10 mph. Chance of precipitation is 50%.