Weather for Somerville, MA

Heat Advisory until 18:00 today

* WHAT...Heat index values of 95 to 100 degrees Monday and Wednesday. Highest values expected on Tuesday with values up to 103 degrees. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN...From 11 AM this morning to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Overnight

71°F / 22°C

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Patchy fog. Partly cloudy, with a low around 71. West wind around 5 mph.

Monday

89°F / 32°C

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Patchy fog before 7am. Mostly sunny, with a high near 89. Northeast wind 5 to 9 mph.

Monday Night

71°F / 22°C

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Mostly clear, with a low around 71. South wind 5 to 8 mph.

Tuesday

98°F / 37°C

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Sunny, with a high near 98. Heat index values as high as 101. Southwest wind around 6 mph.

Tuesday Night

74°F / 23°C

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Mostly clear, with a low around 74. West wind 2 to 6 mph.

Wednesday

94°F / 34°C

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A slight chance of rain showers between 1pm and 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 94. Southwest wind 2 to 8 mph. Chance of precipitation is 30%.

Wednesday Night

69°F / 21°C

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A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Northwest wind around 7 mph. Chance of precipitation is 40%.

Thursday

78°F / 26°C

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A chance of rain showers. Partly sunny, with a high near 78. Northeast wind around 8 mph. Chance of precipitation is 40%.

Thursday Night

63°F / 17°C

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A chance of rain showers. Mostly cloudy, with a low around 63. Northeast wind around 6 mph. Chance of precipitation is 40%.

Friday

74°F / 23°C

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A chance of rain showers. Partly sunny, with a high near 74. Northeast wind 6 to 10 mph. Chance of precipitation is 40%.

Friday Night

59°F / 15°C

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A slight chance of rain showers before 8pm. Mostly clear, with a low around 59. Northeast wind 5 to 8 mph.

Saturday

78°F / 26°C

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Sunny, with a high near 78. Northeast wind around 8 mph.

Saturday Night

59°F / 15°C

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Clear, with a low around 59. Southwest wind 2 to 6 mph.

Sunday

84°F / 29°C

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Sunny, with a high near 84. West wind around 6 mph.