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

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Fair

20°F

-7°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in (1017.1 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 23 Nov 3:51 am EST
Extended Forecast for

Waltham MA

  • Today

    Today: Isolated showers after 3pm. Increasing clouds, with a high near 45. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 45 °F

    Mostly Sunny
    then Isolated
    Showers

  • Tonight

    Tonight: Isolated showers before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 33. Light and variable wind becoming west around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 33 °F

    Isolated
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 48. Northwest wind 6 to 11 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 32. Southwest wind 3 to 5 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of rain, mainly after 5pm. Cloudy, with a high near 52. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 52 °F

    Cloudy then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 45. South wind around 6 mph. Chance of precipitation is 90%.

    Low: 45 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 7am. Mostly cloudy, with a high near 59. Southwest 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 41. West wind 5 to 8 mph. Chance of precipitation is 40%.

    Low: 41 °F

    Chance Rain

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 48. West wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers after 3pm. Increasing clouds, with a high near 45. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.
Tonight
Isolated showers before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 33. Light and variable wind becoming west around 5 mph after midnight. Chance of precipitation is 20%.
Monday
Sunny, with a high near 48. Northwest wind 6 to 11 mph.
Monday Night
Increasing clouds, with a low around 32. Southwest wind 3 to 5 mph.
Tuesday
A chance of rain, mainly after 5pm. Cloudy, with a high near 52. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Tuesday Night
Rain. Low around 45. South wind around 6 mph. Chance of precipitation is 90%.
Wednesday
Rain likely, mainly before 7am. Mostly cloudy, with a high near 59. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of rain before 2am. Mostly cloudy, with a low around 41. West wind 5 to 8 mph. Chance of precipitation is 40%.
Thanksgiving Day
Mostly sunny, with a high near 48. West wind 8 to 11 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 31. West wind around 9 mph.
Friday
Mostly sunny, with a high near 43. West wind 9 to 13 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 28. West wind around 8 mph.
Saturday
Mostly sunny, with a high near 41. West wind 7 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waltham MA
 42.38°N 71.22°W (Elev. 49 ft)
Last Update:
12:14 am EST Nov 23, 2025
Forecast Valid:
4am EST Nov 23, 2025-6pm EST Nov 29, 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