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.

Overcast

75°F

24°C

Humidity 79%
Wind Speed SW 8 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 Jun 1:54 pm EDT
Extended Forecast for

Cambridge MA

Heat Advisory June 19, 11:00am until June 19, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 79. Southwest wind around 8 mph.

    High: 79 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. South wind around 6 mph becoming calm after midnight.

    Low: 68 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny and hot, with a high near 96. Heat index values as high as 103. Southwest wind 6 to 13 mph.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Isolated showers and thunderstorms before 11pm. Partly cloudy, with a low around 68. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82. Northwest wind around 11 mph.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. West wind around 6 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 87. West wind 5 to 7 mph.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 69. Southwest wind around 6 mph.

    Low: 69 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Southwest wind 7 to 10 mph.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 79. Southwest wind around 8 mph.
Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. South wind around 6 mph becoming calm after midnight.
Juneteenth
Mostly cloudy, then gradually becoming sunny and hot, with a high near 96. Heat index values as high as 103. Southwest wind 6 to 13 mph.
Thursday Night
Isolated showers and thunderstorms before 11pm. Partly cloudy, with a low around 68. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 82. Northwest wind around 11 mph.
Friday Night
Mostly clear, with a low around 63. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 87. West wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 69. Southwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 89. Southwest wind 7 to 10 mph.
Sunday Night
Partly cloudy, with a low around 71. Southwest wind around 6 mph.
Monday
Mostly sunny and hot, with a high near 92. West wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 73. Southwest wind around 7 mph.
Tuesday
Mostly sunny and hot, with a high near 95. West wind 6 to 9 mph.
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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:
12:36 pm EDT Jun 18, 2025
Forecast Valid:
2pm EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
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