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

26°F

-3°C

Humidity 40%
Wind Speed N 12 mph
Barometer 30.28 in (1027.1 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 28 Mar 5:51 am EDT
Extended Forecast for

Belmont MA

  • Today

    Today: Mostly sunny, with a high near 39. Northwest wind around 8 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Northwest wind 6 to 8 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 49. Southwest wind 6 to 13 mph.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. Southwest wind around 9 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46. Southwest wind 5 to 7 mph.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain after 8am. Mostly cloudy, with a high near 65. South wind 6 to 11 mph. Chance of precipitation is 40%.

    High: 65 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before 11pm. Mostly cloudy, with a low around 54. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 54 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 5pm. Partly sunny, with a high near 74. Southwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 74 °F

    Partly Sunny
    then Rain
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 39. Northwest wind around 8 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Northwest wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 49. Southwest wind 6 to 13 mph.
Sunday Night
Mostly cloudy, with a low around 38. Southwest wind around 9 mph.
Monday
Partly sunny, with a high near 62. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 46. Southwest wind 5 to 7 mph.
Tuesday
A chance of rain after 8am. Mostly cloudy, with a high near 65. South wind 6 to 11 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 54. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday
Rain likely, mainly after 5pm. Partly sunny, with a high near 74. Southwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Wednesday Night
Rain likely, mainly before 2am. Mostly cloudy, with a low around 39. West wind around 8 mph becoming north after midnight. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 47. Northeast wind around 9 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Northeast wind around 7 mph. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Cloudy, with a high near 42. Northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
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:
4:52 am EDT Mar 28, 2026
Forecast Valid:
6am EDT Mar 28, 2026-6pm EDT Apr 3, 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