Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Overcast

30°F

-1°C

Humidity 43%
Wind Speed NW 16 G 29 mph
Barometer 30.01 in (1017.6 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 8 Dec 2:51 am EST
Extended Forecast for

Waltham MA

  • Overnight

    Overnight: Mostly clear, with a low around 19. Northwest wind around 10 mph, with gusts as high as 24 mph.

    Low: 19 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 24. Northwest wind 7 to 11 mph, with gusts as high as 24 mph.

    High: 24 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 9. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 31. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 31 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow before 4am, then a slight chance of freezing rain.  Mostly cloudy, with a low around 26. Southwest wind around 7 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 26 °F

    Chance Snow
    then Chance
    Wintry Mix

  • Wednesday

    Wednesday: A chance of freezing rain before 8am, then rain likely.  Mostly cloudy, with a high near 43. South wind 6 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%.

    High: 43 °F

    Chance
    Rain/Freezing
    Rain then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 9pm.  Mostly cloudy, with a low around 31. Southwest wind around 8 mph.  Chance of precipitation is 60%.

    Low: 31 °F

    Rain Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 37. West wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. West wind around 7 mph.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 19. Northwest wind around 10 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 24. Northwest wind 7 to 11 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 9. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Increasing clouds, with a high near 31. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A chance of snow before 4am, then a slight chance of freezing rain. Mostly cloudy, with a low around 26. Southwest wind around 7 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
A chance of freezing rain before 8am, then rain likely. Mostly cloudy, with a high near 43. South wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Wednesday Night
Rain likely, mainly before 9pm. Mostly cloudy, with a low around 31. Southwest wind around 8 mph. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 37. West wind 8 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 23. West wind around 7 mph.
Friday
Mostly sunny, with a high near 34. West wind 6 to 9 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 21. West wind around 6 mph. Chance of precipitation is 30%.
Saturday
A chance of snow. Partly sunny, with a high near 32. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 18. West wind around 9 mph.
Sunday
Mostly sunny, with a high near 29. West wind around 10 mph, with gusts as high as 22 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Waltham MA
 42.38°N 71.24°W (Elev. 98 ft)
1:04 am EST Dec 8, 2025
3am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
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