Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Mostly Cloudy

53°F

12°C

Humidity 69%
Wind Speed S 5 mph
Barometer 30.46 in (1031.4 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 11 Oct 8:54 am EDT
Extended Forecast for

Weymouth MA

  • Today

    Today: Mostly cloudy, with a high near 62. South wind 5 to 8 mph.

    High: 62 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers, mainly before 4am.  Patchy fog. Low around 52. Northeast wind 3 to 8 mph. Winds could gust as high as 20 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 52 °F

    Showers and
    Patchy Fog

  • Columbus Day

    Columbus Day: Patchy fog before 10am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 65. North wind 6 to 10 mph.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 51. Calm wind becoming northeast 5 to 8 mph after midnight.

    Low: 51 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of showers after 3pm.  Mostly cloudy, with a high near 64. East wind 7 to 9 mph becoming south in the afternoon.  Chance of precipitation is 20%.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after 11pm.  Mostly cloudy, with a low around 57. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. West wind 10 to 13 mph.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. Northwest wind around 8 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59. Northwest wind 10 to 13 mph.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 62. South wind 5 to 8 mph.
Tonight
Showers, mainly before 4am. Patchy fog. Low around 52. Northeast wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Columbus Day
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 65. North wind 6 to 10 mph.
Monday Night
Increasing clouds, with a low around 51. Calm wind becoming northeast 5 to 8 mph after midnight.
Tuesday
A slight chance of showers after 3pm. Mostly cloudy, with a high near 64. East wind 7 to 9 mph becoming south in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A chance of showers, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 57. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Wednesday
Mostly sunny, with a high near 69. West wind 10 to 13 mph.
Wednesday Night
Mostly clear, with a low around 48. Northwest wind around 8 mph.
Thursday
Sunny, with a high near 59. Northwest wind 10 to 13 mph.
Thursday Night
Partly cloudy, with a low around 44. North wind around 6 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 62. South wind 7 to 13 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Saturday
A chance of showers. Partly sunny, with a high near 58. Northwest wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Weymouth MA
 42.21°N 70.93°W (Elev. 92 ft)
8:57 am EDT Oct 11, 2026
9am EDT Oct 11, 2026-6pm EDT Oct 17, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database