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.

Fog/Mist

35°F

2°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.88 in (1013.3 mb)
Dewpoint 35°F (2°C)
Visibility 6.00 mi
Last update 22 Nov 12:51 am EST
Extended Forecast for

Waltham MA

  • Overnight

    Overnight: A slight chance of rain after 4am. Patchy fog after 5am. Otherwise, cloudy, with a low around 38. West wind around 5 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Saturday

    Saturday: A chance of rain, mainly before 11am. Patchy fog between 8am and 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 49. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 26. Northwest wind 3 to 6 mph.

    Low: 26 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 44. Calm wind becoming southwest around 6 mph in the morning.

    High: 44 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Isolated showers before 10pm. Partly cloudy, with a low around 34. West wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Isolated
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 47. Northwest wind 7 to 9 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. West wind 3 to 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 50. South wind 3 to 7 mph.

    High: 50 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain. Low around 43. South wind around 6 mph. Chance of precipitation is 80%.

    Low: 43 °F

    Rain

Detailed Forecast

Overnight
A slight chance of rain after 4am. Patchy fog after 5am. Otherwise, cloudy, with a low around 38. West wind around 5 mph. Chance of precipitation is 20%.
Saturday
A chance of rain, mainly before 11am. Patchy fog between 8am and 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 49. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Increasing clouds, with a low around 26. Northwest wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 44. Calm wind becoming southwest around 6 mph in the morning.
Sunday Night
Isolated showers before 10pm. Partly cloudy, with a low around 34. West wind 3 to 6 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 47. Northwest wind 7 to 9 mph.
Monday Night
Partly cloudy, with a low around 30. West wind 3 to 5 mph.
Tuesday
Mostly cloudy, with a high near 50. South wind 3 to 7 mph.
Tuesday Night
Rain. Low around 43. South wind around 6 mph. Chance of precipitation is 80%.
Wednesday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 59. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 41. West wind around 7 mph. Chance of precipitation is 50%.
Thanksgiving Day
Partly sunny, with a high near 49. West wind 7 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 33. West wind around 7 mph.
Friday
Mostly sunny, with a high near 43. West wind 8 to 11 mph, with gusts as high as 22 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waltham MA
 42.38°N 71.24°W (Elev. 98 ft)
Last Update:
12:56 am EST Nov 22, 2025
Forecast Valid:
1am EST Nov 22, 2025-6pm EST Nov 28, 2025
 
Forecast Discussion
 
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Additional Resources

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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