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.

Overcast

67°F

19°C

Humidity 68%
Wind Speed SW 9 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 1 Apr 11:54 am EDT
Extended Forecast for

Somerville MA

  • This Afternoon

    This Afternoon: A chance of showers. Mostly cloudy, with a temperature falling to around 55 by 5pm. North wind 7 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F⇓

    Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 3am. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 38. Northeast wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance
    Showers then
    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers. Patchy fog between 10am and 11am. Otherwise, cloudy, with a high near 42. Northeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers. Cloudy, with a low around 38. East wind 3 to 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 66. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 66 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68. West wind 5 to 10 mph becoming east in the afternoon.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 44. East wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 3pm. Mostly cloudy, with a high near 65. Southwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of showers. Mostly cloudy, with a temperature falling to around 55 by 5pm. North wind 7 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly after 3am. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 38. Northeast wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers. Patchy fog between 10am and 11am. Otherwise, cloudy, with a high near 42. Northeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of showers. Cloudy, with a low around 38. East wind 3 to 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, with a high near 66. Calm wind becoming southwest 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 55. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 68. West wind 5 to 10 mph becoming east in the afternoon.
Saturday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 44. East wind 5 to 7 mph. Chance of precipitation is 40%.
Sunday
Showers likely, mainly after 3pm. Mostly cloudy, with a high near 65. Southwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 41. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 54. Northwest wind 8 to 10 mph.
Monday Night
Mostly clear, with a low around 35. Northwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 51. Northwest wind 5 to 8 mph becoming northeast in the afternoon.
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:
9:39 am EDT Apr 1, 2026
Forecast Valid:
12pm EDT Apr 1, 2026-6pm EDT Apr 7, 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