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.

Fog/Mist

56°F

13°C

Humidity 97%
Wind Speed Calm
Barometer 30.19 in (1022.4 mb)
Dewpoint 55°F (13°C)
Visibility 0.75 mi
Last update 16 Jun 4:54 am EDT
Extended Forecast for

Somerville MA

  • Today

    Today: Patchy fog before 7am. Otherwise, partly sunny, with a high near 69. Calm wind becoming east 5 to 8 mph in the morning.

    High: 69 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. East wind 5 to 7 mph becoming calm after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 72. East wind 3 to 8 mph.

    High: 72 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 9pm. Cloudy, with a low around 63. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 63 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly before 3pm. Mostly cloudy, with a high near 82. South wind 5 to 7 mph. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69. Southwest wind 3 to 6 mph.

    Low: 69 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: A chance of showers after 4pm. Mostly sunny and hot, with a high near 91. Southwest wind 6 to 11 mph. Chance of precipitation is 30%.

    High: 91 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 10pm. Partly cloudy, with a low around 67. West wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 82. West wind 8 to 10 mph.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, partly sunny, with a high near 69. Calm wind becoming east 5 to 8 mph in the morning.
Tonight
Mostly cloudy, with a low around 57. East wind 5 to 7 mph becoming calm after midnight.
Tuesday
Mostly cloudy, with a high near 72. East wind 3 to 8 mph.
Tuesday Night
A chance of showers, mainly after 9pm. Cloudy, with a low around 63. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of showers and thunderstorms, mainly before 3pm. Mostly cloudy, with a high near 82. South wind 5 to 7 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 69. Southwest wind 3 to 6 mph.
Juneteenth
A chance of showers after 4pm. Mostly sunny and hot, with a high near 91. Southwest wind 6 to 11 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 10pm. Partly cloudy, with a low around 67. West wind 7 to 9 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 82. West wind 8 to 10 mph.
Friday Night
Mostly clear, with a low around 61. West wind around 6 mph.
Saturday
Sunny, with a high near 81. Northwest wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 65. Southwest wind around 6 mph.
Sunday
Partly sunny, with a high near 87. Southwest wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.12°W (Elev. 46 ft)
Last Update:
4:45 am EDT Jun 16, 2025
Forecast Valid:
5am EDT Jun 16, 2025-6pm EDT Jun 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation