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.

Light Rain

63°F

17°C

Humidity 97%
Wind Speed SE 3 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 62°F (17°C)
Visibility 8.00 mi
Last update 23 Jun 5:54 pm EDT
Extended Forecast for

Somerville MA

  • Tonight

    Tonight: A chance of showers, mainly before 10pm. Patchy fog before 8pm, then patchy fog after 10pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 61. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Sunny, with a high near 84. Northwest wind 6 to 8 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. Light west wind.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. South wind 3 to 5 mph. Chance of precipitation is 50%.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers after 2am. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers. Partly sunny, with a high near 80. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly before 10pm. Patchy fog before 8pm, then patchy fog after 10pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 61. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Sunny, with a high near 84. Northwest wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 62. Light west wind.
Thursday
Mostly sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. South wind 3 to 5 mph. Chance of precipitation is 50%.
Friday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers after 2am. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 80. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 64. Calm wind.
Sunday
Mostly sunny, with a high near 85. Light and variable wind becoming east 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 64. Calm wind.
Monday
Mostly sunny, with a high near 87. Calm wind becoming east 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 66. Light southwest wind.
Tuesday
Mostly sunny, with a high near 87. Calm wind becoming east 5 to 8 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
2:36 pm EDT Jun 23, 2026
Forecast Valid:
6pm EDT Jun 23, 2026-6pm EDT Jun 30, 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