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.

Heavy Rain Fog/Mist

66°F

19°C

Humidity 96%
Wind Speed NE 14 mph
Barometer 29.70 in (1005.6 mb)
Dewpoint 65°F (18°C)
Visibility 1.50 mi
Last update 29 Jul 11:54 pm EDT
Extended Forecast for

Somerville MA

  • Overnight

    Overnight: Showers likely, mainly before 5am. Patchy fog. Otherwise, cloudy, with a low around 64. East wind 8 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 64 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Patchy fog. Otherwise, cloudy, with a high near 72. North wind 8 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers before midnight, then a slight chance of showers after 1am. Patchy fog before 2am. Otherwise, cloudy, with a low around 62. North wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of sprinkles after 3pm. Partly sunny, with a high near 79. North wind around 6 mph.

    High: 79 °F

    Slight Chance
    Sprinkles

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 68. Southwest wind around 5 mph.

    Low: 68 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 84. South wind 5 to 10 mph.

    High: 84 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 11pm. Mostly cloudy, with a low around 68. South wind around 6 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers likely, mainly before 5am. Patchy fog. Otherwise, cloudy, with a low around 64. East wind 8 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Patchy fog. Otherwise, cloudy, with a high near 72. North wind 8 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers before midnight, then a slight chance of showers after 1am. Patchy fog before 2am. Otherwise, cloudy, with a low around 62. North wind 5 to 7 mph. Chance of precipitation is 30%.
Friday
A slight chance of sprinkles after 3pm. Partly sunny, with a high near 79. North wind around 6 mph.
Friday Night
Partly cloudy, with a low around 65. Calm wind.
Saturday
Mostly sunny, with a high near 84. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 68. Southwest wind around 5 mph.
Sunday
Partly sunny, with a high near 84. South wind 5 to 10 mph.
Sunday Night
A chance of showers after 11pm. Mostly cloudy, with a low around 68. South wind around 6 mph. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 83. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 65. Light northwest wind.
Tuesday
Sunny, with a high near 84. Northwest wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 65. Light west wind.
Wednesday
Sunny, with a high near 85. Calm wind becoming east 5 to 7 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
2:30 pm EDT Jul 29, 2026
Forecast Valid:
12am EDT Jul 30, 2026-6pm EDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation