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.

Fair

48°F

9°C

Humidity 96%
Wind Speed Calm
Barometer 30.06 in (1017.9 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 18 Apr 12:54 am EDT
Extended Forecast for

Cambridge MA

  • Overnight

    Overnight: Areas of fog. Otherwise, partly cloudy, with a low around 48. Light north wind.

    Low: 48 °F

    Areas Fog

  • Saturday

    Saturday: Areas of fog before noon. Otherwise, cloudy, with a high near 52. Northeast wind 6 to 9 mph.

    High: 52 °F

    Areas Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Patchy fog after 9pm. Otherwise, cloudy, with a low around 45. East wind around 6 mph becoming calm in the evening.

    Low: 45 °F

    Patchy Fog

  • Sunday

    Sunday: Rain, mainly after 8am. Patchy fog before 11am. High near 56. Light and variable wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain likely, mainly before 1am. Partly cloudy, with a low around 36. West wind 6 to 8 mph. Chance of precipitation is 70%.

    Low: 36 °F

    Rain Likely
    then Chance
    Rain

  • Monday

    Monday: Mostly sunny, with a high near 52. West wind 6 to 8 mph.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. North wind around 6 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 51. North wind 5 to 7 mph becoming southeast in the afternoon.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. Southwest wind around 7 mph.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, partly cloudy, with a low around 48. Light north wind.
Saturday
Areas of fog before noon. Otherwise, cloudy, with a high near 52. Northeast wind 6 to 9 mph.
Saturday Night
Patchy fog after 9pm. Otherwise, cloudy, with a low around 45. East wind around 6 mph becoming calm in the evening.
Sunday
Rain, mainly after 8am. Patchy fog before 11am. High near 56. Light and variable wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before 1am. Partly cloudy, with a low around 36. West wind 6 to 8 mph. Chance of precipitation is 70%.
Monday
Mostly sunny, with a high near 52. West wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 31. North wind around 6 mph.
Tuesday
Sunny, with a high near 51. North wind 5 to 7 mph becoming southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 39. Southwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 60. Southwest wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 41. Northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 62. Northwest wind 6 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 43. Northwest wind 3 to 6 mph.
Friday
Partly sunny, with a high near 61. North wind 5 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cambridge MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
1:55 am EDT Apr 18, 2026
Forecast Valid:
2am EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
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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