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

64°F

18°C

Humidity 90%
Wind Speed SW 6 mph
Barometer 29.82 in (1010.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Apr 12:51 am EDT
Extended Forecast for

Belmont MA

  • Overnight

    Overnight: Mostly clear, with a low around 60. Southwest wind around 6 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, increasing clouds, with a high near 77. West wind 5 to 8 mph becoming northeast in the morning. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 54. East wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 68. South wind 3 to 8 mph. Chance of precipitation is 20%.

    High: 68 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 55. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 65. Northwest wind 5 to 8 mph becoming northeast in the morning. Chance of precipitation is 50%.

    High: 65 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 1am. Mostly cloudy, with a low around 49. Northeast wind around 6 mph. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 57. Northeast wind 6 to 8 mph.

    High: 57 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48. East wind around 6 mph becoming southeast after midnight.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 60. Southwest wind around 6 mph.
Wednesday
A chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, increasing clouds, with a high near 77. West wind 5 to 8 mph becoming northeast in the morning. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 54. East wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 68. South wind 3 to 8 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 55. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 40%.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 65. Northwest wind 5 to 8 mph becoming northeast in the morning. Chance of precipitation is 50%.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 49. Northeast wind around 6 mph. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 57. Northeast wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 48. East wind around 6 mph becoming southeast after midnight.
Sunday
A chance of showers after noon. Mostly cloudy, with a high near 67. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 40. West wind around 10 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 51. West wind 10 to 13 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 33. West wind 7 to 9 mph.
Tuesday
Sunny, with a high near 51. West wind around 10 mph, with gusts as high as 20 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:
12:56 am EDT Apr 15, 2026
Forecast Valid:
1am EDT Apr 15, 2026-6pm EDT Apr 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