Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Mostly Cloudy

62°F

17°C

Humidity 67%
Wind Speed E 13 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 18 May 4:54 pm EDT
Extended Forecast for

Cambridge MA

Heat Advisory May 19, 11:00am until May 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Mostly clear, with a low around 66. Southeast wind around 7 mph becoming southwest after midnight.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 95. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73. Southwest wind around 9 mph.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Increasing clouds and hot, with a high near 91. West wind 8 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before 7pm.  Mostly cloudy, with a low around 55. West wind 7 to 9 mph.  Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers 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: Partly cloudy, with a low around 49. North wind 3 to 5 mph.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 3am.  Mostly cloudy, with a low around 49. South wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 66. Southeast wind around 7 mph becoming southwest after midnight.
Tuesday
Mostly sunny and hot, with a high near 95. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 73. Southwest wind around 9 mph.
Wednesday
A chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds and hot, with a high near 91. West wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers, mainly before 7pm. Mostly cloudy, with a low around 55. West wind 7 to 9 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 68. North wind around 8 mph.
Thursday Night
Partly cloudy, with a low around 49. North wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 69. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Friday Night
A chance of showers after 3am. Mostly cloudy, with a low around 49. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 62. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 50%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 63. East wind 5 to 9 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 50. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 66. Northeast wind 3 to 7 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Cambridge MA
 42.37°N 71.13°W (Elev. 3 ft)
3:02 pm EDT May 18, 2026
5pm EDT May 18, 2026-6pm EDT May 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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