National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

39°F

4°C

Humidity 65%
Wind Speed SE 10 mph
Barometer 30.46 in (1031.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 15 Mar 6:54 pm EDT
Extended Forecast for

Somerville MA

Flood Watch March 16, 05:00am until March 17, 08:00am
High Wind Watch March 16, 05:00pm until March 17, 06:00am
Click here for hazard details and duration
Flood Watch
High Wind Watch

  • Tonight

    Tonight: A chance of showers, mainly after 5am. The rain could be heavy at times. Increasing clouds, with a low around 37. Southeast wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Mostly Cloudy
    then Heavy
    Rain

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall. Patchy fog before 10am. High near 63. Southeast wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 63 °F

    Heavy Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: Showers. The rain could be heavy at times. Patchy fog before 11pm, then patchy fog after midnight. Low around 40. South wind 14 to 17 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Heavy Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: Showers likely before 8am. Mostly sunny, with a high near 47. West wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Showers
    Likely then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. West wind 8 to 10 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 40. West wind 6 to 8 mph.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. South wind 3 to 6 mph.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45. South wind 5 to 9 mph.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. Southwest wind around 6 mph.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly after 5am. The rain could be heavy at times. Increasing clouds, with a low around 37. Southeast wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall. Patchy fog before 10am. High near 63. Southeast wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Showers. The rain could be heavy at times. Patchy fog before 11pm, then patchy fog after midnight. Low around 40. South wind 14 to 17 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely before 8am. Mostly sunny, with a high near 47. West wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly clear, with a low around 24. West wind 8 to 10 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 40. West wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 28. South wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 45. South wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 32. Southwest wind around 6 mph.
Friday
Mostly sunny, with a high near 52. West wind 5 to 8 mph.
Friday Night
A chance of rain. Mostly cloudy, with a low around 35. Southwest wind around 6 mph. Chance of precipitation is 30%.
Saturday
A chance of rain. Partly sunny, with a high near 50. Southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 32. West wind around 9 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 45. West wind 10 to 13 mph, with gusts as high as 24 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.12°W (Elev. 46 ft)
Last Update:
6:15 pm EDT Mar 15, 2026
Forecast Valid:
7pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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