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

69°F

21°C

Humidity 63%
Wind Speed N 5 mph
Barometer 30.13 in (1021.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 15 Aug 8:51 am EDT
Extended Forecast for

Waltham MA

  • Today

    Today: Mostly sunny, with a high near 82. Northwest wind 5 to 7 mph.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Light and variable wind becoming south 5 to 9 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 64. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, mainly before noon. High near 78. Southeast wind around 9 mph becoming northeast in the afternoon. Chance of precipitation is 80%.

    High: 78 °F

    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63. North wind 3 to 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Northeast wind around 5 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 82. Northwest wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 55. Calm wind.
Sunday
Mostly sunny, with a high near 83. Light and variable wind becoming south 5 to 9 mph in the morning.
Sunday Night
Showers, mainly after 2am. Low around 64. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers, mainly before noon. High near 78. Southeast wind around 9 mph becoming northeast in the afternoon. Chance of precipitation is 80%.
Monday Night
Mostly cloudy, with a low around 63. North wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 83. Northeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 62. Light and variable wind.
Wednesday
Sunny, with a high near 86. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 67. Southwest wind around 6 mph.
Thursday
A chance of showers. Partly sunny, with a high near 84. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 62. Northwest wind around 6 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 79. North wind 6 to 8 mph becoming east in the afternoon.
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:
6:32 am EDT Aug 15, 2026
Forecast Valid:
9am EDT Aug 15, 2026-6pm EDT Aug 21, 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