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.

Fair

66°F

19°C

Humidity 84%
Wind Speed Calm
Barometer 29.89 in (1013.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Aug 11:51 pm EDT
Extended Forecast for

Waltham MA

  • Overnight

    Overnight: Mostly clear, with a low around 67. West wind 3 to 6 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers after 3pm. Increasing clouds, with a high near 84. West wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 62. Light north wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 80. North wind 5 to 8 mph becoming east in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 61. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers. Mostly cloudy, with a high near 77. East wind 6 to 8 mph. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between 11pm and midnight. Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly after 5pm. Mostly cloudy, with a high near 81. Light and variable wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 11pm. Mostly cloudy, with a low around 62. Light west wind. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 67. West wind 3 to 6 mph.
Thursday
A slight chance of showers after 3pm. Increasing clouds, with a high near 84. West wind 3 to 6 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 62. Light north wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 80. North wind 5 to 8 mph becoming east in the afternoon.
Friday Night
A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 61. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 77. East wind 6 to 8 mph. Chance of precipitation is 50%.
Saturday Night
Showers likely, mainly between 11pm and midnight. Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Sunday
Showers likely, mainly after 5pm. Mostly cloudy, with a high near 81. Light and variable wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 11pm. Mostly cloudy, with a low around 62. Light west wind. Chance of precipitation is 40%.
Monday
Sunny, with a high near 81. West wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 59. West wind around 6 mph.
Tuesday
Sunny, with a high near 81. West wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 59. West wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 81. West wind 3 to 7 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:
9:29 pm EDT Aug 19, 2026
Forecast Valid:
12am EDT Aug 20, 2026-6pm EDT Aug 26, 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