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

40°F

4°C

Humidity 89%
Wind Speed S 3 mph
Barometer 30.02 in (1018.1 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 26 Mar 3:51 am EDT
Extended Forecast for

Belmont MA

  • Overnight

    Overnight: A slight chance of showers. Cloudy, with a low around 41. South wind around 10 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 67. Southwest wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 67 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain, mainly after 8pm. Patchy fog between 2am and 4am. Low around 42. Southwest wind 6 to 9 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: A chance of rain, mainly before 10am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 47. North wind around 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27. North wind 5 to 7 mph.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 38. North wind 8 to 10 mph.

    High: 38 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. Northwest wind 3 to 5 mph.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49. West wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. Southwest wind around 7 mph.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of showers. Cloudy, with a low around 41. South wind around 10 mph. Chance of precipitation is 20%.
Thursday
Mostly cloudy, with a high near 67. Southwest wind 11 to 14 mph, with gusts as high as 25 mph.
Thursday Night
Rain, mainly after 8pm. Patchy fog between 2am and 4am. Low around 42. Southwest wind 6 to 9 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of rain, mainly before 10am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 47. North wind around 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 27. North wind 5 to 7 mph.
Saturday
Partly sunny, with a high near 38. North wind 8 to 10 mph.
Saturday Night
Partly cloudy, with a low around 26. Northwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 49. West wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 35. Southwest wind around 7 mph.
Monday
Mostly cloudy, with a high near 57. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 43. Southwest wind 7 to 9 mph.
Tuesday
A chance of rain. Mostly cloudy, with a high near 54. Northwest wind around 8 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 36. East wind around 6 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow. Cloudy, with a high near 48. East wind 7 to 10 mph. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Belmont MA
 42.4°N 71.18°W (Elev. 98 ft)
Last Update:
3:29 am EDT Mar 26, 2026
Forecast Valid:
4am EDT Mar 26, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
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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