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

44°F

7°C

Humidity 35%
Wind Speed SE 12 mph
Barometer 30.33 in (1026.8 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 21 Apr 12:54 pm EDT
Extended Forecast for

Somerville MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 49. East wind around 7 mph.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. South wind 7 to 9 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly between 2pm and 3pm. Cloudy, with a high near 46. South wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 9pm, then a slight chance of rain after 2am. Mostly cloudy, with a low around 41. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A slight chance of rain before noon, then a chance of showers, mainly between noon and 3pm. Partly sunny, with a high near 56. Light west wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 30%.

    High: 56 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Northwest wind 3 to 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56. Northwest wind around 7 mph becoming northeast in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. East wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 55. East wind 3 to 8 mph.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 49. East wind around 7 mph.
Tonight
Mostly cloudy, with a low around 36. South wind 7 to 9 mph.
Wednesday
Rain likely, mainly between 2pm and 3pm. Cloudy, with a high near 46. South wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A slight chance of rain before 9pm, then a slight chance of rain after 2am. Mostly cloudy, with a low around 41. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A slight chance of rain before noon, then a chance of showers, mainly between noon and 3pm. Partly sunny, with a high near 56. Light west wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 40. Northwest wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 56. Northwest wind around 7 mph becoming northeast in the afternoon.
Friday Night
Partly cloudy, with a low around 38. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 55. East wind 3 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 40. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 56. East wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 41. East wind around 5 mph becoming calm in the evening.
Monday
Partly 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:
1:00 pm EDT Apr 21, 2026
Forecast Valid:
1pm EDT Apr 21, 2026-6pm EDT Apr 27, 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