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 >

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

46°F

8°C

Humidity 89%
Wind Speed SW 6 mph
Barometer 29.81 in (1009.5 mb)
Dewpoint 43°F (6°C)
Visibility 8.00 mi
Wind Chill43°F (6°C)
Last update 22 Nov 12:54 pm EST
Extended Forecast for

Somerville MA

  • This Afternoon

    This Afternoon: Cloudy early, then gradual clearing, with a high near 48. Northwest wind around 7 mph.

    High: 48 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northwest wind around 6 mph becoming calm after midnight.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 44. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 44 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Cloudy, then gradually becoming partly cloudy, with a low around 33. Southwest wind 3 to 6 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 48. Northwest wind 6 to 10 mph.

    High: 48 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. West wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain after 5pm. Cloudy, with a high near 51. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 51 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am. Low around 45. South wind around 6 mph. Chance of precipitation is 90%.

    Low: 45 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain. Cloudy, with a high near 59. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.

    High: 59 °F

    Chance Rain

Detailed Forecast

This Afternoon
Cloudy early, then gradual clearing, with a high near 48. Northwest wind around 7 mph.
Tonight
Mostly clear, with a low around 28. Northwest wind around 6 mph becoming calm after midnight.
Sunday
Increasing clouds, with a high near 44. Calm wind becoming southwest 5 to 7 mph in the morning.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 33. Southwest wind 3 to 6 mph.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 48. Northwest wind 6 to 10 mph.
Monday Night
Partly cloudy, with a low around 32. West wind around 5 mph becoming calm in the evening.
Tuesday
A chance of rain after 5pm. Cloudy, with a high near 51. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.
Tuesday Night
Rain, mainly before 4am. Low around 45. South wind around 6 mph. Chance of precipitation is 90%.
Wednesday
A chance of rain. Cloudy, with a high near 59. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of rain before 4am. Mostly cloudy, with a low around 42. South wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 40%.
Thanksgiving Day
Mostly sunny, with a high near 49. West wind 8 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 32. West wind around 9 mph.
Friday
Sunny, with a high near 43. West wind 11 to 15 mph, with gusts as high as 26 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
1:07 pm EST Nov 22, 2025
Forecast Valid:
1pm EST Nov 22, 2025-6pm EST Nov 28, 2025
 
Forecast Discussion
 
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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