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

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Overcast

37°F

3°C

Humidity 52%
Wind Speed Calm
Barometer 30.01 in (1017.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 22 Mar 12:51 am EDT
Extended Forecast for

Waltham MA

  • Overnight

    Overnight: A chance of rain, mainly after 5am. Mostly cloudy, with a low around 34. Calm wind. Chance of precipitation is 30%.

    Low: 34 °F

    Chance Rain

  • Sunday

    Sunday: Rain, mainly after 10am. High near 46. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 2am. Low around 33. North wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Rain

  • Monday

    Monday: A chance of snow before 8am, then a chance of snow showers, mainly between 8am and noon. Cloudy, with a high near 40. North wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow

  • Monday Night

    Monday Night: A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 28. Northwest wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Northwest wind around 6 mph becoming west in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Southwest wind around 7 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. Southwest wind 6 to 8 mph.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of rain, mainly after 5am. Mostly cloudy, with a low around 34. Calm wind. Chance of precipitation is 30%.
Sunday
Rain, mainly after 10am. High near 46. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before 2am. Low around 33. North wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of snow before 8am, then a chance of snow showers, mainly between 8am and noon. Cloudy, with a high near 40. North wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday Night
A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 28. Northwest wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 44. Northwest wind around 6 mph becoming west in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 32. Southwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 51. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 32. Southwest wind 6 to 8 mph.
Thursday
A chance of rain and snow before 11am, then a chance of rain between 11am and 5pm, then a chance of rain and snow after 5pm. Partly sunny, with a high near 51. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 38. Southwest wind around 10 mph. Chance of precipitation is 70%.
Friday
A chance of rain and snow. Mostly sunny, with a high near 48. Northwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 24. Northwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 42. West wind 6 to 8 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:
6:13 pm EDT Mar 21, 2026
Forecast Valid:
1am EDT Mar 22, 2026-6pm EDT Mar 28, 2026
 
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