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.

A Few Clouds

70°F

21°C

Humidity 61%
Wind Speed SW 18 G 29 mph
Barometer 29.53 in (999.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 2:54 am EDT
Extended Forecast for

Somerville MA

  • Juneteenth

    Juneteenth: Sunny, with a high near 84. West wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. West wind 9 to 11 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. West wind 13 to 15 mph, with gusts as high as 26 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. West wind 5 to 8 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers between 10am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Northwest wind 3 to 7 mph. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after 2pm. Partly sunny, with a high near 78. Light southeast wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 70%.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers. Low around 64. Southeast wind around 10 mph becoming southwest after midnight. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers before 2pm. Partly sunny, with a high near 83. West wind 8 to 10 mph. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    Showers

Detailed Forecast

Juneteenth
Sunny, with a high near 84. West wind 11 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 63. West wind 9 to 11 mph.
Saturday
Sunny, with a high near 82. West wind 13 to 15 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 62. West wind 5 to 8 mph.
Sunday
A slight chance of showers between 10am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Northwest wind 3 to 7 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.
Monday
Showers likely, mainly after 2pm. Partly sunny, with a high near 78. Light southeast wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 70%.
Monday Night
Showers. Low around 64. Southeast wind around 10 mph becoming southwest after midnight. Chance of precipitation is 80%.
Tuesday
A chance of showers before 2pm. Partly sunny, with a high near 83. West wind 8 to 10 mph. Chance of precipitation is 50%.
Tuesday Night
Mostly clear, with a low around 64. West wind 3 to 5 mph.
Wednesday
Sunny, with a high near 86. Light and variable wind becoming north 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 85. Calm wind becoming southeast 5 to 8 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
4:18 am EDT Jun 19, 2026
Forecast Valid:
4am EDT Jun 19, 2026-6pm EDT Jun 25, 2026
 
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