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.

A Few Clouds

35°F

2°C

Humidity 54%
Wind Speed W 7 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 23 Nov 2:54 am EST
Extended Forecast for

Somerville MA

  • Overnight

    Overnight: Mostly clear, with a low around 28. West wind 3 to 5 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Isolated showers after 3pm. Increasing clouds, with a high near 44. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.

    High: 44 °F

    Mostly Sunny
    then Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 33. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Isolated
    Showers then
    Partly Cloudy

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 48. Northwest wind 6 to 11 mph.

    High: 48 °F

    Patchy Fog
    then Sunny

  • Monday Night

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

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain, mainly after 5pm. Cloudy, with a high near 52. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 52 °F

    Cloudy then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 46. South wind around 6 mph. Chance of precipitation is 90%.

    Low: 46 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 7am. Mostly cloudy, with a high near 59. South wind 5 to 7 mph. Chance of precipitation is 60%.

    High: 59 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 2am. Mostly cloudy, with a low around 42. South wind 6 to 8 mph. Chance of precipitation is 40%.

    Low: 42 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 28. West wind 3 to 5 mph.
Sunday
Isolated showers after 3pm. Increasing clouds, with a high near 44. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Sunday Night
Isolated showers before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 33. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 48. Northwest wind 6 to 11 mph.
Monday Night
Partly cloudy, with a low around 33. Southwest wind 3 to 5 mph.
Tuesday
A chance of rain, mainly after 5pm. Cloudy, with a high near 52. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Tuesday Night
Rain. Low around 46. South wind around 6 mph. Chance of precipitation is 90%.
Wednesday
Rain likely, mainly before 7am. Mostly cloudy, with a high near 59. South wind 5 to 7 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of rain before 2am. Mostly cloudy, with a low around 42. South wind 6 to 8 mph. Chance of precipitation is 40%.
Thanksgiving Day
Mostly sunny, with a high near 48. West wind 9 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 32. West wind around 9 mph.
Friday
Mostly sunny, with a high near 43. West wind 10 to 13 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 28. West wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 41. West wind 7 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
12:14 am EST Nov 23, 2025
Forecast Valid:
2am EST Nov 23, 2025-6pm EST Nov 29, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation