National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Partly Cloudy

70°F

21°C

Humidity 47%
Wind Speed E 13 mph
Barometer 30.30 in (1026.0 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 27 Jun 12:54 pm EDT
Extended Forecast for

Somerville MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 72. East wind around 9 mph.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 5am. Mostly cloudy, with a low around 62. Southeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 4pm. Patchy fog before 3pm. Otherwise, mostly cloudy, with a high near 74. East wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Patchy fog between 9pm and 1am. Otherwise, mostly cloudy, with a low around 66. South wind around 6 mph becoming west after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Northwest wind around 7 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. Northeast wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 71. South wind around 7 mph.

    Low: 71 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 3pm. Partly sunny, with a high near 88. Southwest wind 7 to 11 mph. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 72. East wind around 9 mph.
Tonight
Showers likely, mainly after 5am. Mostly cloudy, with a low around 62. Southeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, with thunderstorms also possible after 4pm. Patchy fog before 3pm. Otherwise, mostly cloudy, with a high near 74. East wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms. Patchy fog between 9pm and 1am. Otherwise, mostly cloudy, with a low around 66. South wind around 6 mph becoming west after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 82. Northwest wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 66. Northeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 71. South wind around 7 mph.
Tuesday
Showers likely, mainly after 3pm. Partly sunny, with a high near 88. Southwest wind 7 to 11 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers before 11pm. Mostly cloudy, with a low around 71. West wind 6 to 8 mph. Chance of precipitation is 40%.
Wednesday
Sunny, with a high near 89. West wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 69. West wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 87. West wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
11:57 am EDT Jun 27, 2025
Forecast Valid:
1pm EDT Jun 27, 2025-6pm EDT Jul 3, 2025
 
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Additional Resources

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Chance of Precipitation