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

42°F

6°C

Humidity 41%
Wind Speed W 9 mph
Barometer 30.35 in (1029.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 25 Mar 9:51 am EDT
Extended Forecast for

Belmont MA

  • Today

    Today: Mostly sunny, with a high near 55. Southwest wind 8 to 10 mph.

    High: 55 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. South wind around 11 mph, with gusts as high as 24 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. Southwest wind 13 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 9pm, then rain, mainly after 9pm. Low around 45. Southwest wind 9 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 49. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. North wind around 7 mph.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 39. Northwest wind around 7 mph.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. West wind around 5 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 46. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 55. Southwest wind 8 to 10 mph.
Tonight
Mostly cloudy, with a low around 42. South wind around 11 mph, with gusts as high as 24 mph.
Thursday
A slight chance of showers before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. Southwest wind 13 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers before 9pm, then rain, mainly after 9pm. Low around 45. Southwest wind 9 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 49. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 24. North wind around 7 mph.
Saturday
Mostly sunny, with a high near 39. Northwest wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 27. West wind around 5 mph.
Sunday
Mostly sunny, with a high near 46. West wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 32. West wind around 6 mph.
Monday
Mostly cloudy, with a high near 55. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 42. Southwest wind around 9 mph.
Tuesday
Mostly cloudy, with a high near 56. West wind around 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Belmont MA
 42.4°N 71.18°W (Elev. 98 ft)
Last Update:
7:53 am EDT Mar 25, 2026
Forecast Valid:
10am EDT Mar 25, 2026-6pm EDT Mar 31, 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