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

55°F

13°C

Humidity 59%
Wind Speed SE 9 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 15 Oct 7:54 pm EDT
Extended Forecast for

Somerville MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. South wind 3 to 5 mph.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Showers, with thunderstorms also possible after 5pm. Patchy fog before 3pm. High near 69. South wind 10 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers and
    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 50. Southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 54. Northwest wind 15 to 17 mph, with gusts as high as 31 mph.

    High: 54 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. Northwest wind 5 to 8 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. Northwest wind 6 to 8 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. South wind around 5 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. West wind 5 to 7 mph.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. South wind 3 to 5 mph.
Friday
Showers, with thunderstorms also possible after 5pm. Patchy fog before 3pm. High near 69. South wind 10 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 50. Southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 54. Northwest wind 15 to 17 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 35. Northwest wind 5 to 8 mph.
Sunday
Sunny, with a high near 55. Northwest wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 40. South wind around 5 mph.
Monday
Sunny, with a high near 61. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 43. West wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 63. North wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 44. Light north wind.
Wednesday
Sunny, with a high near 59. Northeast wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 42. Calm wind.
Thursday
Mostly sunny, with a high near 58. East wind 5 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
1:57 pm EDT Oct 15, 2026
Forecast Valid:
8pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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