National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

A Few Clouds

88°F

31°C

Humidity 48%
Wind Speed W 13 G 24 mph
Barometer 29.83 in (1010.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 3 Jul 10:54 pm EDT
Extended Forecast for

Cambridge MA

Extreme Heat Warning July 4, 12:15am until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 4, 12:15am until July 4, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Overnight

    Low: 77 °F

    Isolated
    T-storms

  • Independence Day

    Independence Day: Scattered showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 96. West wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 69. Northwest wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. North wind 5 to 9 mph becoming east in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 64. Southeast wind 3 to 8 mph.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, mainly after 9am. Partly sunny, with a high near 81. Light southeast wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after 10pm. Mostly cloudy, with a low around 63. East wind around 6 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. East wind 7 to 10 mph. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Overnight
Isolated showers and thunderstorms after 1am. Partly cloudy, with a low around 77. West wind around 7 mph. Chance of precipitation is 20%.
Independence Day
Scattered showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 96. West wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Scattered showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 69. Northwest wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Mostly sunny, with a high near 82. North wind 5 to 9 mph becoming east in the afternoon.
Sunday Night
Mostly cloudy, with a low around 64. Southeast wind 3 to 8 mph.
Monday
A chance of showers, mainly after 9am. Partly sunny, with a high near 81. Light southeast wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 40%.
Monday Night
Showers likely, mainly after 10pm. Mostly cloudy, with a low around 63. East wind around 6 mph. Chance of precipitation is 60%.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. East wind 7 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 1am. Mostly cloudy, with a low around 64. North wind 3 to 7 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 81. North wind 5 to 7 mph becoming southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 68. Light and variable wind.
Thursday
Mostly sunny and hot, with a high near 92. Southwest wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 72. Southwest wind 5 to 7 mph.
Friday
A chance of showers. Mostly sunny and hot, with a high near 92. Southwest wind 5 to 8 mph. 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:
10:51 pm EDT Jul 3, 2026
Forecast Valid:
12am EDT Jul 4, 2026-6pm EDT Jul 10, 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