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.

Mostly Cloudy

85°F

29°C

Humidity 35%
Wind Speed W 14 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 30 Aug 1:54 pm EDT
Extended Forecast for

Cambridge MA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 86. Southwest wind around 11 mph.

    High: 86 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers between 10pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 65. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 79. Light and variable wind becoming east 5 to 8 mph in the morning.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am. Increasing clouds, with a low around 64. South wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 2pm. High near 75. Light south wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 90%.

    High: 75 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 62. East wind around 6 mph. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers after 3pm. Mostly cloudy, with a high near 74. East wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 74 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 63. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 76. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 86. Southwest wind around 11 mph.
Tonight
A slight chance of showers between 10pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 65. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 79. Light and variable wind becoming east 5 to 8 mph in the morning.
Monday Night
A chance of showers after 2am. Increasing clouds, with a low around 64. South wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers, with thunderstorms also possible after 2pm. High near 75. Light south wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 90%.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 62. East wind around 6 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers after 3pm. Mostly cloudy, with a high near 74. East wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 63. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 76. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 64. South wind around 5 mph becoming northwest after midnight. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 76. North wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 61. North wind 3 to 5 mph.
Saturday
A chance of showers. Partly sunny, with a high near 74. North wind 6 to 8 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cambridge MA
 42.37°N 71.13°W (Elev. 3 ft)
Last Update:
8:57 am EDT Aug 30, 2026
Forecast Valid:
2pm EDT Aug 30, 2026-6pm EDT Sep 5, 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