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

52°F

11°C

Humidity 93%
Wind Speed SE 6 mph
Barometer 29.85 in (1010.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 17 Apr 9:54 am EDT
Extended Forecast for

Somerville MA

  • Today

    Today: A chance of rain, mainly after 2pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming northeast 5 to 8 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, cloudy, with a high near 54. East wind 6 to 9 mph.

    High: 54 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Cloudy

  • Sunday

    Sunday: Showers, mainly after 11am. High near 58. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 80%.

    High: 58 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 36. West wind 7 to 9 mph. Chance of precipitation is 80%.

    Low: 36 °F

    Showers then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 51. Northwest wind 8 to 10 mph.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. Northwest wind around 6 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 53. Northwest wind 5 to 8 mph becoming south in the afternoon.

    High: 53 °F

    Sunny

Detailed Forecast

Today
A chance of rain, mainly after 2pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming northeast 5 to 8 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Patchy fog before 2am, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 48. Light and variable wind.
Saturday
Patchy fog before 10am. Otherwise, cloudy, with a high near 54. East wind 6 to 9 mph.
Saturday Night
Cloudy, with a low around 46. Light and variable wind.
Sunday
Showers, mainly after 11am. High near 58. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 80%.
Sunday Night
Showers, mainly before 8pm. Low around 36. West wind 7 to 9 mph. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 51. Northwest wind 8 to 10 mph.
Monday Night
Partly cloudy, with a low around 32. Northwest wind around 6 mph.
Tuesday
Sunny, with a high near 53. Northwest wind 5 to 8 mph becoming south in the afternoon.
Tuesday Night
Partly cloudy, with a low around 40. Southwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 62. West wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 42. West wind around 6 mph.
Thursday
Mostly sunny, with a high near 63. Northwest wind 6 to 8 mph.
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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:
5:24 am EDT Apr 17, 2026
Forecast Valid:
10am EDT Apr 17, 2026-6pm EDT Apr 23, 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