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.

Light Rain

75°F

24°C

Humidity 90%
Wind Speed S 17 mph
Barometer 29.73 in (1006.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 3 Aug 2:54 pm EDT
Extended Forecast for

Weymouth MA

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog after 4pm. Otherwise, mostly cloudy, with a high near 80. South wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely and
    Patchy Fog

  • Tonight

    Tonight: Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and 10pm. Patchy fog between 7pm and 8pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 62. West wind 7 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely and
    Patchy Fog
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. West wind around 7 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Southwest wind 3 to 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. Southwest wind around 6 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88. Southwest wind 6 to 8 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 73. Southwest wind around 7 mph.

    Low: 73 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 92. Southwest wind 7 to 9 mph.

    High: 92 °F

    Hot

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog after 4pm. Otherwise, mostly cloudy, with a high near 80. South wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and 10pm. Patchy fog between 7pm and 8pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 62. West wind 7 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 85. West wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 63. Southwest wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 68. Southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 88. Southwest wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 73. Southwest wind around 7 mph.
Friday
Mostly sunny and hot, with a high near 92. Southwest wind 7 to 9 mph.
Friday Night
A chance of showers between 7pm and 8pm. Partly cloudy, with a low around 73. West wind around 6 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny and hot, with a high near 90. West wind around 6 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 71. Southwest wind 3 to 5 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny and hot, with a high near 90. West wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 72. Southwest wind around 6 mph.
Monday
Sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Weymouth MA
 42.21°N 70.93°W (Elev. 92 ft)
Last Update:
2:59 pm EDT Aug 3, 2026
Forecast Valid:
3pm EDT Aug 3, 2026-6pm EDT Aug 10, 2026
 
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