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.

A Few Clouds

76°F

24°C

Humidity 39%
Wind Speed E 9 mph
Barometer 30.16 in (1022.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 31 Aug 4:51 pm EDT
Extended Forecast for

Belmont MA

  • Tonight

    Tonight: Mostly clear, with a low around 55. Southeast wind 5 to 7 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Labor Day

    Labor Day: Partly sunny, with a high near 77. East wind 5 to 9 mph.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Light north wind.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76. East wind 5 to 8 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. East wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Southwest wind 3 to 6 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. Southwest wind around 6 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81. South wind 5 to 10 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 5am. Partly cloudy, with a low around 61. South wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Mostly Clear
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 55. Southeast wind 5 to 7 mph becoming calm in the evening.
Labor Day
Partly sunny, with a high near 77. East wind 5 to 9 mph.
Monday Night
Mostly cloudy, with a low around 56. Light north wind.
Tuesday
Sunny, with a high near 76. East wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 56. East wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 82. Southwest wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 60. Southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 81. South wind 5 to 10 mph.
Thursday Night
A chance of showers after 5am. Partly cloudy, with a low around 61. South wind 6 to 8 mph. Chance of precipitation is 30%.
Friday
Showers likely, mainly after 11am. Partly sunny, with a high near 77. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 62. South wind 6 to 8 mph. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 80. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 58. West wind around 7 mph.
Sunday
Sunny, with a high near 77. West wind 6 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belmont MA
 42.4°N 71.18°W (Elev. 98 ft)
Last Update:
2:09 pm EDT Aug 31, 2025
Forecast Valid:
5pm EDT Aug 31, 2025-6pm EDT Sep 7, 2025
 
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