Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Partly Cloudy

81°F

27°C

Humidity 54%
Wind Speed E 15 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Aug 1:54 pm EDT
Extended Forecast for

Somerville MA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 87. Southeast wind around 6 mph.

    High: 87 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain, mainly before 2am, then patchy drizzle with a chance of rain after 2am.  Low around 66. Northeast wind 5 to 10 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 66 °F

    Rain

  • Friday

    Friday: Patchy drizzle with a slight chance of rain.  Mostly cloudy, with a high near 72. Northeast wind 6 to 10 mph.  Chance of precipitation is 20%.

    High: 72 °F

    Patchy
    Drizzle

  • Friday Night

    Friday Night: Patchy drizzle with a chance of rain before midnight, then rain likely between midnight and 5am, then patchy drizzle with a chance of rain after 5am.  Mostly cloudy, with a low around 63. Northeast wind around 8 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely with patchy drizzle before 9am, then showers likely, mainly after 11am.  Cloudy, with a high near 74. Northeast wind around 9 mph.  Chance of precipitation is 70%.

    High: 74 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Showers likely, with thunderstorms also possible after 5am.  Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers.  Mostly cloudy, with a high near 80. Light and variable wind becoming southeast 5 to 7 mph in the morning.  Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 10pm.  Mostly cloudy, with a low around 66. South wind 3 to 5 mph.  Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. Southwest wind 5 to 10 mph.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 87. Southeast wind around 6 mph.
Tonight
Rain, mainly before 2am, then patchy drizzle with a chance of rain after 2am. Low around 66. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Patchy drizzle with a slight chance of rain. Mostly cloudy, with a high near 72. Northeast wind 6 to 10 mph. Chance of precipitation is 20%.
Friday Night
Patchy drizzle with a chance of rain before midnight, then rain likely between midnight and 5am, then patchy drizzle with a chance of rain after 5am. Mostly cloudy, with a low around 63. Northeast wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely with patchy drizzle before 9am, then showers likely, mainly after 11am. Cloudy, with a high near 74. Northeast wind around 9 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 80. Light and variable wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 40%.
Sunday Night
A chance of showers before 10pm. Mostly cloudy, with a low around 66. South wind 3 to 5 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 82. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 60. West wind around 6 mph.
Tuesday
Sunny, with a high near 81. West wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 61. West wind 3 to 5 mph.
Wednesday
Sunny, with a high near 83. West wind 5 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.12°W (Elev. 46 ft)
2:20 pm EDT Aug 20, 2026
2pm EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database