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

52°F

11°C

Humidity 89%
Wind Speed N 6 mph
Barometer 29.77 in (1008.0 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 12 Oct 8:54 am EDT
Extended Forecast for

Somerville MA

  • Columbus Day

    Columbus Day: Mostly cloudy, then gradually becoming sunny, with a high near 70. Northwest wind 5 to 7 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A slight chance of showers between 4am and 5am. Increasing clouds, with a low around 52. Light and variable wind becoming northeast 5 to 8 mph after midnight. Chance of precipitation is 20%.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly after 8am. Patchy fog before 3pm, then patchy fog after 4pm. Otherwise, cloudy, with a high near 64. East wind around 8 mph becoming southeast in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 57. South wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. West wind around 9 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. Northwest wind around 6 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 63. North wind 6 to 9 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 3am. Partly cloudy, with a low around 47. Light and variable wind. Chance of precipitation is 30%.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, mainly after 8am. High near 64. Southeast wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 64 °F

    Showers

Detailed Forecast

Columbus Day
Mostly cloudy, then gradually becoming sunny, with a high near 70. Northwest wind 5 to 7 mph.
Tonight
A slight chance of showers between 4am and 5am. Increasing clouds, with a low around 52. Light and variable wind becoming northeast 5 to 8 mph after midnight. Chance of precipitation is 20%.
Tuesday
A chance of showers, mainly after 8am. Patchy fog before 3pm, then patchy fog after 4pm. Otherwise, cloudy, with a high near 64. East wind around 8 mph becoming southeast in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 57. South wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 71. West wind around 9 mph.
Wednesday Night
Partly cloudy, with a low around 53. Northwest wind around 6 mph.
Thursday
Sunny, with a high near 63. North wind 6 to 9 mph.
Thursday Night
A chance of showers after 3am. Partly cloudy, with a low around 47. Light and variable wind. Chance of precipitation is 30%.
Friday
Showers, mainly after 8am. High near 64. Southeast wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Friday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 44. West wind 11 to 15 mph. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 52. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 37 mph.
Saturday Night
Partly cloudy, with a low around 36. West wind 9 to 13 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 53. West wind around 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
9:31 am EDT Oct 12, 2026
Forecast Valid:
9am EDT Oct 12, 2026-6pm EDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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