National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

A Few Clouds

37°F

3°C

Humidity 86%
Wind Speed SW 6 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 21 Nov 7:54 am EST
Extended Forecast for

Boston MA

  • Today

    Today: Partly sunny, with a high near 48. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 48 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Southwest wind 6 to 8 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 48. Northwest wind 5 to 8 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Northwest wind around 6 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 43. West wind 5 to 7 mph.

    High: 43 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. West wind around 6 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 47. West wind 7 to 10 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. West wind 3 to 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain after 5pm. Mostly cloudy, with a high near 49. South wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 49 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Partly sunny, with a high near 48. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Tonight
Mostly cloudy, with a low around 40. Southwest wind 6 to 8 mph.
Saturday
A slight chance of rain before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 48. Northwest wind 5 to 8 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 31. Northwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 43. West wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 35. West wind around 6 mph.
Monday
Sunny, with a high near 47. West wind 7 to 10 mph.
Monday Night
Partly cloudy, with a low around 33. West wind 3 to 5 mph.
Tuesday
A chance of rain after 5pm. Mostly cloudy, with a high near 49. South wind 5 to 7 mph. Chance of precipitation is 30%.
Tuesday Night
Rain likely, mainly after 8pm. Cloudy, with a low around 46. South wind around 6 mph. Chance of precipitation is 70%.
Wednesday
Rain likely. Mostly cloudy, with a high near 57. Southwest wind around 8 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45. Southwest wind around 7 mph. Chance of precipitation is 50%.
Thanksgiving Day
A chance of rain. Partly sunny, with a high near 52. Southwest wind 7 to 11 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Boston MA
 42.36°N 71.07°W (Elev. 13 ft)
Last Update:
12:32 am EST Nov 21, 2025
Forecast Valid:
8am EST Nov 21, 2025-6pm EST Nov 27, 2025
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation