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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Somerville MA

  • Overnight

    Overnight: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. East wind 5 to 10 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. Southwest wind around 6 mph.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 3pm and 5pm. Mostly sunny and hot, with a high near 95. Southwest wind 6 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. Southwest wind 7 to 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 4pm. Mostly sunny and hot, with a high near 92. West wind 8 to 14 mph. Chance of precipitation is 60%.

    High: 92 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 7pm. Mostly cloudy, with a low around 55. West wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. North wind around 8 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. North wind around 5 mph becoming calm after midnight.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 58. Calm wind.
Monday
Mostly sunny, with a high near 77. East wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 64. Southwest wind around 6 mph.
Tuesday
A slight chance of showers and thunderstorms between 3pm and 5pm. Mostly sunny and hot, with a high near 95. Southwest wind 6 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 71. Southwest wind 7 to 10 mph.
Wednesday
Showers likely, mainly after 4pm. Mostly sunny and hot, with a high near 92. West wind 8 to 14 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 55. West wind 7 to 9 mph. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 68. North wind around 8 mph.
Thursday Night
Mostly clear, with a low around 49. North wind around 5 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 66. Calm wind becoming east 5 to 8 mph in the afternoon.
Friday Night
A chance of showers. Mostly cloudy, with a low around 49. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Showers likely. Mostly cloudy, with a high near 63. Calm wind becoming east 5 to 9 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 50. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 65. Northeast wind 3 to 8 mph. Chance of precipitation is 50%.
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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:
2:31 am EDT May 18, 2026
Forecast Valid:
3am EDT May 18, 2026-6pm EDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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