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.

Partly Cloudy

75°F

24°C

Humidity 76%
Wind Speed NW 7 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 15 Aug 12:54 am EDT
Extended Forecast for

Somerville MA

  • Overnight

    Overnight: Mostly clear, with a low around 65. North wind around 7 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 79. North wind 9 to 11 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. East wind around 6 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. Southwest wind around 6 mph.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 91. Southwest wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Mostly cloudy, with a low around 64. West wind around 7 mph becoming north after midnight. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 75. North wind around 9 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Southeast wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 65. North wind around 7 mph.
Friday
Mostly sunny, with a high near 79. North wind 9 to 11 mph.
Friday Night
Mostly clear, with a low around 60. East wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 84. Calm wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 67. Southwest wind around 6 mph.
Sunday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 91. Southwest wind 6 to 10 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 64. West wind around 7 mph becoming north after midnight. Chance of precipitation is 30%.
Monday
Sunny, with a high near 75. North wind around 9 mph.
Monday Night
Mostly clear, with a low around 57. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 76. Light and variable wind becoming east 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 59. Southeast wind around 6 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 76. Light southeast wind becoming east 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 59. Southeast wind around 6 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 79. North wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.12°W (Elev. 46 ft)
Last Update:
10:37 pm EDT Aug 14, 2025
Forecast Valid:
1am EDT Aug 15, 2025-6pm EDT Aug 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation