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

67°F

19°C

Humidity 93%
Wind Speed SE 8 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 13 Jul 2:54 am EDT
Extended Forecast for

Cambridge MA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 82. East wind 3 to 8 mph.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 68. Southeast wind around 6 mph becoming calm after midnight.

    Low: 68 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 86. South wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 72. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 91. West wind 3 to 6 mph.

    High: 91 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. Southwest wind 3 to 5 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 92. Calm wind becoming south 5 to 7 mph in the morning.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 75. Southwest wind around 7 mph.

    Low: 75 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 66. Calm wind.
Sunday
Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 82. East wind 3 to 8 mph.
Sunday Night
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 68. Southeast wind around 6 mph becoming calm after midnight.
Monday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 86. South wind 3 to 6 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 72. Southwest wind around 6 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny and hot, with a high near 91. West wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 72. Southwest wind 3 to 5 mph.
Wednesday
Sunny and hot, with a high near 92. Calm wind becoming south 5 to 7 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 75. Southwest wind around 7 mph.
Thursday
A chance of showers and thunderstorms after 3pm. Partly sunny and hot, with a high near 90. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southwest wind around 7 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny and hot, with a high near 90. West wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Northwest wind around 5 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 84. North wind 6 to 8 mph becoming east in the afternoon.
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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:
2:22 am EDT Jul 13, 2025
Forecast Valid:
3am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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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