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.

Mostly Cloudy

63°F

17°C

Humidity 58%
Wind Speed W 10 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 10 May 10:54 pm EDT
Extended Forecast for

Somerville MA

  • Tonight

    Tonight: A slight chance of showers. Mostly cloudy, with a low around 48. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Showers

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 65. Northwest wind 3 to 6 mph.

    High: 65 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. Northwest wind 3 to 5 mph.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 63. Northwest wind 5 to 7 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 3pm. Mostly cloudy, with a high near 63. Light south wind increasing to 8 to 13 mph in the morning. Chance of precipitation is 30%.

    High: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 10pm. Mostly cloudy, with a low around 49. South wind 7 to 9 mph. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers. High near 63. South wind 8 to 10 mph. Chance of precipitation is 90%.

    High: 63 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 49. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers. Mostly cloudy, with a low around 48. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 65. Northwest wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 45. Northwest wind 3 to 5 mph.
Tuesday
Sunny, with a high near 63. Northwest wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 46. Calm wind.
Wednesday
A chance of showers, mainly after 3pm. Mostly cloudy, with a high near 63. Light south wind increasing to 8 to 13 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
Showers likely, mainly after 10pm. Mostly cloudy, with a low around 49. South wind 7 to 9 mph. Chance of precipitation is 70%.
Thursday
Showers. High near 63. South wind 8 to 10 mph. Chance of precipitation is 90%.
Thursday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 49. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
A chance of showers after 1pm. Partly sunny, with a high near 67. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 51. West wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 72. West wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 52. West wind around 5 mph.
Sunday
Mostly sunny, with a high near 74. Light west wind becoming southwest 5 to 9 mph in the morning.
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:
3:10 pm EDT May 10, 2026
Forecast Valid:
11pm EDT May 10, 2026-6pm EDT May 17, 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