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.

Mostly Cloudy

70°F

21°C

Humidity 87%
Wind Speed SE 9 mph
Barometer 29.67 in (1005.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 29 Jul 5:51 am EDT
Extended Forecast for

Waltham MA

  • Today

    Today: Showers likely, then showers and possibly a thunderstorm after 2pm. Patchy fog after noon. High near 76. Southeast wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Patchy fog. Low around 62. East wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 62 °F

    Showers and
    Patchy Fog
    then Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Patchy fog. High near 72. Northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 72 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm. Cloudy, with a low around 62. North wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, mainly after 5pm. Mostly cloudy, with a high near 75. North wind around 7 mph. Chance of precipitation is 30%.

    High: 75 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. Southwest wind 3 to 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85. South wind 5 to 9 mph.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely, then showers and possibly a thunderstorm after 2pm. Patchy fog after noon. High near 76. Southeast wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and possibly a thunderstorm. Patchy fog. Low around 62. East wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Patchy fog. High near 72. Northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
Showers likely, mainly before 8pm. Cloudy, with a low around 62. North wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A chance of showers, mainly after 5pm. Mostly cloudy, with a high near 75. North wind around 7 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 63. Calm wind.
Saturday
Mostly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 65. Southwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 85. South wind 5 to 9 mph.
Sunday Night
A chance of showers after 10pm. Mostly cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 84. Southwest wind around 6 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 66. Light and variable wind.
Tuesday
Sunny, with a high near 83. Northwest wind 5 to 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waltham MA
 42.38°N 71.24°W (Elev. 98 ft)
Last Update:
5:57 am EDT Jul 29, 2026
Forecast Valid:
6am EDT Jul 29, 2026-6pm EDT Aug 4, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation