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Heavy Rain and Potential for Flash Flooding

Strong to severe thunderstorms are forecast to develop along a frontal system stretching from portions of the Mississippi Valley into the Ohio Valley. These storms may produce heavy rain and flash flooding. The threat shifts east on Friday. Moonsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Four Corners area. Read More >

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

70°F

21°C

Humidity 84%
Wind Speed SW 12 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 27 Jul 6:54 pm EDT
Extended Forecast for

Dorchester MASimilar City Names

  • Tonight

    Tonight: Scattered showers, mainly before 1am.  Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 65. West wind 7 to 10 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Scattered
    Showers and
    Patchy Fog

    Low: 65 °F

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 80. West wind around 6 mph becoming light and variable.

    Patchy Fog
    then Partly
    Sunny

    High: 80 °F

  • Friday
    Night

    Friday Night: Isolated showers before midnight, then a chance of rain, mainly after 4am.  Mostly cloudy, with a low around 64. Northeast wind 5 to 7 mph.  Chance of precipitation is 30%.

    Chance Rain

    Low: 64 °F

  • Saturday

    Saturday: A slight chance of rain.  Mostly cloudy, with a high near 69. Northeast wind 11 to 16 mph.  Chance of precipitation is 20%.

    Slight Chance
    Rain

    High: 69 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 61. Northeast wind around 14 mph, with gusts as high as 24 mph.

    Mostly Cloudy

    Low: 61 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    Mostly Sunny

    High: 74 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 60.

    Partly Cloudy

    Low: 60 °F

  • Monday

    Monday: Mostly sunny, with a high near 78.

    Mostly Sunny

    High: 78 °F

  • Monday
    Night

    Monday Night: A chance of rain after 7pm.  Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Chance Rain

    Low: 61 °F

Detailed Forecast

Tonight
Scattered showers, mainly before 1am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 65. West wind 7 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 80. West wind around 6 mph becoming light and variable.
Friday Night
Isolated showers before midnight, then a chance of rain, mainly after 4am. Mostly cloudy, with a low around 64. Northeast wind 5 to 7 mph. Chance of precipitation is 30%.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 69. Northeast wind 11 to 16 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 61. Northeast wind around 14 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 78.
Monday Night
A chance of rain after 7pm. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Tuesday
A chance of rain before 2pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
Dorchester MASimilar City Names
 42.3°N 71.09°W (Elev. 89 ft)
3:50 pm EDT Jul 27, 2017
7pm EDT Jul 27, 2017-6pm EDT Aug 3, 2017
 
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