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.

Overcast

73°F

23°C

Humidity 41%
Wind Speed NW 12 mph
Barometer 29.96 in (1014.5 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 May 12:54 am EDT
Extended Forecast for

Cambridge MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. North wind around 6 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 66. North wind around 6 mph becoming east in the afternoon.

    High: 66 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 45. Light north wind.

    Low: 45 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 67. Light and variable wind becoming east 5 to 8 mph in the morning.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. South wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 1pm. Mostly cloudy, with a high near 64. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 48. Southeast wind 3 to 6 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 3pm. Mostly cloudy, with a high near 60. East wind 8 to 10 mph. Chance of precipitation is 70%.

    High: 60 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers. Cloudy, with a low around 50. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. North wind around 6 mph.
Thursday
Mostly cloudy, with a high near 66. North wind around 6 mph becoming east in the afternoon.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 45. Light north wind.
Friday
Sunny, with a high near 67. Light and variable wind becoming east 5 to 8 mph in the morning.
Friday Night
Mostly cloudy, with a low around 50. South wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers after 1pm. Mostly cloudy, with a high near 64. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 48. Southeast wind 3 to 6 mph. Chance of precipitation is 60%.
Sunday
Showers likely, mainly before 3pm. Mostly cloudy, with a high near 60. East wind 8 to 10 mph. Chance of precipitation is 70%.
Sunday Night
A chance of showers. Cloudy, with a low around 50. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 70. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 54. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 77. Northwest wind 3 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 57. West wind 3 to 5 mph.
Wednesday
Sunny, with a high near 78. Light northwest wind becoming north 5 to 9 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cambridge MA
 42.37°N 71.13°W (Elev. 3 ft)
Last Update:
2:33 pm EDT May 20, 2026
Forecast Valid:
1am EDT May 21, 2026-6pm EDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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