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

66°F

19°C

Humidity 96%
Wind Speed S 5 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 65°F (18°C)
Visibility 7.00 mi
Last update 18 Jun 6:54 am EDT
Extended Forecast for

Weymouth MA

  • Today

    Today: A chance of showers, mainly before 8am. Patchy fog before noon. Otherwise, cloudy, with a high near 79. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: A slight chance of showers before 9pm. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 67. South wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Juneteenth

    Juneteenth: Mostly cloudy through mid morning, then gradual clearing and hot, with a high near 96. Heat index values as high as 105. Southwest wind 6 to 13 mph.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Isolated showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 68. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81. Northwest wind around 11 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. West wind around 6 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 85. West wind 5 to 7 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67. Southwest wind around 6 mph.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87. Southwest wind 7 to 10 mph.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, mainly before 8am. Patchy fog before noon. Otherwise, cloudy, with a high near 79. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.
Tonight
A slight chance of showers before 9pm. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 67. South wind 3 to 7 mph. Chance of precipitation is 20%.
Juneteenth
Mostly cloudy through mid morning, then gradual clearing and hot, with a high near 96. Heat index values as high as 105. Southwest wind 6 to 13 mph.
Thursday Night
Isolated showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 68. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 81. Northwest wind around 11 mph.
Friday Night
Mostly clear, with a low around 62. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 85. West wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 67. Southwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 87. Southwest wind 7 to 10 mph.
Sunday Night
Partly cloudy, with a low around 70. Southwest wind around 6 mph.
Monday
Mostly sunny and hot, with a high near 90. South wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 72. Southwest wind around 7 mph.
Tuesday
Mostly sunny and hot, with a high near 94. West wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weymouth MA
 42.21°N 70.93°W (Elev. 92 ft)
Last Update:
6:06 am EDT Jun 18, 2025
Forecast Valid:
7am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation