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

41°F

5°C

Humidity 27%
Wind Speed SW 9 G 18 mph
Barometer 29.98 in (1016.9 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 13 Mar 2:51 pm EDT
Extended Forecast for

Waltham MA

  • Tonight

    Tonight: Showers likely, mainly between 11pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 35. South wind 9 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 40 mph.

    High: 47 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. West wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 45. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.

    High: 45 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 5am. Mostly cloudy, with a low around 35. Southeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain, with thunderstorms also possible after 1pm. High near 61. South wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.

    High: 61 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 42. South wind 16 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%.

    Low: 42 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, possibly mixing with snow after 11am, then gradually ending. Partly sunny, with a high near 49. West wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    High: 49 °F

    Rain/Snow
    Likely then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. West wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly between 11pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 35. South wind 9 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 47. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 40 mph.
Saturday Night
Mostly clear, with a low around 29. West wind 7 to 14 mph, with gusts as high as 24 mph.
Sunday
Mostly cloudy, with a high near 45. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.
Sunday Night
A chance of rain, mainly after 5am. Mostly cloudy, with a low around 35. Southeast wind around 7 mph. Chance of precipitation is 30%.
Monday
Rain, with thunderstorms also possible after 1pm. High near 61. South wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 42. South wind 16 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%.
Tuesday
Rain likely, possibly mixing with snow after 11am, then gradually ending. Partly sunny, with a high near 49. West wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 23. West wind 9 to 11 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 39. West wind around 8 mph.
Wednesday Night
Mostly cloudy, with a low around 28. South wind 3 to 6 mph.
Thursday
Mostly cloudy, with a high near 45. South wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 32. South wind around 6 mph.
Friday
Mostly sunny, with a high near 47. West wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waltham MA
 42.41°N 71.24°W (Elev. 230 ft)
Last Update:
2:45 pm EDT Mar 13, 2026
Forecast Valid:
3pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation