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.

Fair

67°F

19°C

Humidity 73%
Wind Speed S 5 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 30 Jun 12:54 am EDT
Extended Forecast for

Cambridge MA

Extreme Heat Watch July 1, 10:00am until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Overnight

    Overnight: Mostly clear, with a low around 66. Southwest wind around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. South wind 5 to 11 mph.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 72. Southwest wind 13 to 15 mph. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny and hot, with a high near 99. Heat index values as high as 107. Southwest wind 13 to 15 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 78. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny and hot, with a high near 100. West wind around 9 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 80. West wind 5 to 8 mph.

    Low: 80 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. West wind 7 to 11 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. West wind 3 to 7 mph.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 66. Southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 89. South wind 5 to 11 mph.
Tuesday Night
A chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 72. Southwest wind 13 to 15 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny and hot, with a high near 99. Heat index values as high as 107. Southwest wind 13 to 15 mph.
Wednesday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 78. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.
Thursday
Sunny and hot, with a high near 100. West wind around 9 mph.
Thursday Night
Clear, with a low around 80. West wind 5 to 8 mph.
Friday
Sunny and hot, with a high near 100. West wind 7 to 11 mph.
Friday Night
Mostly clear, with a low around 76. West wind 3 to 7 mph.
Independence Day
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. West wind 5 to 9 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. West wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 89. Light and variable wind becoming northeast 5 to 8 mph in the morning.
Sunday Night
Partly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 84. Light east wind increasing to 5 to 9 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cambridge MA
 42.37°N 71.1°W (Elev. 10 ft)
Last Update:
12:46 am EDT Jun 30, 2026
Forecast Valid:
1am EDT Jun 30, 2026-6pm EDT Jul 6, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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