National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Light Snow Fog/Mist

32°F

0°C

Humidity 96%
Wind Speed NE 9 mph
Barometer 29.75 in (1009.1 mb)
Dewpoint 31°F (-1°C)
Visibility 0.75 mi
Wind Chill24°F (-4°C)
Last update 20 Feb 3:51 pm EST
Extended Forecast for

Waltham MA

Winter Weather Advisory February 20, 04:23pm until February 21, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 20, 04:23pm until February 21, 07:00am

    NOW until 7:00am Sat

    Winter Weather Advisory

  • This Afternoon

    High: 38 °F

    Snow

  • Tonight

    Tonight: Snow, possibly mixed with sleet, becoming all snow after 10pm. Low around 24. East wind 5 to 9 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow/Sleet
    then Snow

  • Saturday

    Saturday: A chance of snow before noon, then a slight chance of snow after 4pm. Cloudy, with a high near 29. North wind around 6 mph becoming light and variable. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 29 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A slight chance of snow before 11pm. Mostly cloudy, with a low around 21. Light north wind. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow, mainly after 2pm. Cloudy, with a high near 35. Northeast wind 5 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Snow, mainly after 9pm. The snow could be heavy at times. Low around 28. Northeast wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 28 °F

    Heavy Snow

  • Monday

    Monday: Snow. The snow could be heavy at times. High near 31. North wind 14 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.

    High: 31 °F

    Heavy Snow

  • Monday Night

    Monday Night: A chance of snow before 11pm. Mostly cloudy, with a low around 22. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 22 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
Snow. High near 38. East wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow, possibly mixed with sleet, becoming all snow after 10pm. Low around 24. East wind 5 to 9 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Saturday
A chance of snow before noon, then a slight chance of snow after 4pm. Cloudy, with a high near 29. North wind around 6 mph becoming light and variable. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
A slight chance of snow before 11pm. Mostly cloudy, with a low around 21. Light north wind. Chance of precipitation is 20%.
Sunday
A chance of snow, mainly after 2pm. Cloudy, with a high near 35. Northeast wind 5 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
Snow, mainly after 9pm. The snow could be heavy at times. Low around 28. Northeast wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Monday
Snow. The snow could be heavy at times. High near 31. North wind 14 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.
Monday Night
A chance of snow before 11pm. Mostly cloudy, with a low around 22. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Tuesday
Partly sunny, with a high near 34. Northwest wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 13. West wind around 6 mph.
Wednesday
A chance of snow. Mostly cloudy, with a high near 35. South wind 3 to 7 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. South wind around 6 mph. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 43. Southwest wind 7 to 9 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. West wind around 7 mph. Chance of precipitation is 40%.
Friday
A chance of snow. Mostly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waltham MA
 42.39°N 71.27°W (Elev. 197 ft)
Last Update:
3:54 pm EST Feb 20, 2026
Forecast Valid:
4pm EST Feb 20, 2026-6pm EST Feb 27, 2026
 
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