Heavy Rainfall And Severe Weather Potential From The Great Lakes and Ohio Valley to South Central Plains; Western Fire Weather Threats Remain Elevated

A low pressure system and front moving through the Mississippi Valley may yield heavy to excessive rainfall and the threat for some severe thunderstorms from parts of the Great Lakes and Ohio Valley to South Central Plains. Fire weather threats will remain elevated across the Northwest into the northern Rockies, as a system from the Pacific moves into and through the area over the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Mostly Cloudy

90°F

32°C

Humidity 47%
Wind Speed W 10 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 67°F (19°C)
Visibility 8.00 mi
Heat Index93°F (34°C)
Last update 16 Aug 2:54 pm EDT
Extended Forecast for

Cambridge MA

  • This
    Afternoon

    This Afternoon: Isolated showers and thunderstorms.  Mostly sunny, with a high near 92. Northwest wind around 8 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms

    High: 92 °F

  • Tonight

    Tonight: Mostly clear, with a low around 70. North wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 70 °F

  • Friday

    Friday: Showers and thunderstorms likely, mainly between 2pm and 3pm. Some of the storms could produce gusty winds and heavy rain.  Increasing clouds, with a high near 82. East wind 3 to 7 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 82 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms, mainly between 1am and 4am. Some of the storms could produce gusty winds and heavy rain.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 73. South wind around 8 mph.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain
    and Patchy
    Fog

    Low: 73 °F

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 82. Southwest wind around 7 mph.  Chance of precipitation is 60%.

    T-storms
    Likely and
    Patchy Fog

    High: 82 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms.  Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

    Low: 65 °F

  • Sunday

    Sunday: A chance of showers after 10am.  Partly sunny, with a high near 72. Chance of precipitation is 30%.

    Chance
    Showers

    High: 72 °F

  • Sunday
    Night

    Sunday Night: A chance of showers before 3am.  Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 62 °F

  • Monday

    Monday: Partly sunny, with a high near 73.

    Partly Sunny

    High: 73 °F

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny, with a high near 92. Northwest wind around 8 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 70. North wind around 5 mph becoming calm in the evening.
Friday
Showers and thunderstorms likely, mainly between 2pm and 3pm. Some of the storms could produce gusty winds and heavy rain. Increasing clouds, with a high near 82. East wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, mainly between 1am and 4am. Some of the storms could produce gusty winds and heavy rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 73. South wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 82. Southwest wind around 7 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Sunday
A chance of showers after 10am. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Sunday Night
A chance of showers before 3am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 79.
Click Map For Forecast
Point Forecast:
Cambridge MA
 42.37°N 71.13°W (Elev. 3 ft)
3:00 pm EDT Aug 16, 2018
3pm EDT Aug 16, 2018-6pm EDT Aug 23, 2018
 
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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