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

67°F

19°C

Humidity 81%
Wind Speed E 16 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Jun 12:54 pm EDT
Extended Forecast for

Somerville MA

  • This Afternoon

    This Afternoon: Scattered showers, mainly after 3pm. Mostly cloudy, with a high near 70. East wind around 7 mph. Chance of precipitation is 50%.

    High: 70 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly after 7pm. Patchy fog. Otherwise, cloudy, with a low around 64. Southeast wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Scattered
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers, mainly before 3pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 79. South wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 68. South wind 3 to 7 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers after 3pm. Mostly sunny and hot, with a high near 92. Southwest wind 6 to 11 mph. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, mainly between 10pm and 2am. Partly cloudy, with a low around 68. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 83. West wind 9 to 11 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. West wind 5 to 7 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84. West wind around 7 mph.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered showers, mainly after 3pm. Mostly cloudy, with a high near 70. East wind around 7 mph. Chance of precipitation is 50%.
Tonight
Scattered showers, mainly after 7pm. Patchy fog. Otherwise, cloudy, with a low around 64. Southeast wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, mainly before 3pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 79. South wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 68. South wind 3 to 7 mph. Chance of precipitation is 40%.
Juneteenth
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers after 3pm. Mostly sunny and hot, with a high near 92. Southwest wind 6 to 11 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms, mainly between 10pm and 2am. Partly cloudy, with a low around 68. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 83. West wind 9 to 11 mph.
Friday Night
Mostly clear, with a low around 65. West wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 84. West wind around 7 mph.
Saturday Night
A chance of showers after 5am. Mostly cloudy, with a low around 67. Southwest wind around 6 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 84. West wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 69. Southeast wind around 6 mph becoming southwest after midnight.
Monday
Partly sunny and hot, with a high near 91. Southwest wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
8:49 am EDT Jun 17, 2025
Forecast Valid:
1pm EDT Jun 17, 2025-6pm EDT Jun 23, 2025
 
Forecast Discussion
 
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Additional Resources

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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