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

55°F

13°C

Humidity 77%
Wind Speed SE 8 mph
Barometer 29.75 in (1008.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 16 Apr 6:51 pm EDT
Extended Forecast for

Belmont MA

  • Tonight

    Tonight: A slight chance of showers after 4am. Patchy dense fog. Otherwise, cloudy, with a low around 56. East wind 5 to 7 mph becoming light and variable in the evening. Chance of precipitation is 20%.

    Low: 56 °F

    Patchy Dense
    Fog then
    Slight Chance
    Showers and
    Patchy Fog

  • 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. Cloudy, with a high near 71. Calm wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 8pm. Mostly cloudy, with a low around 49. Northeast wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 58. East wind 6 to 9 mph.

    High: 58 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 5am. Cloudy, with a low around 47. East wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 30%.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 11am. High near 60. South wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%.

    High: 60 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Mostly cloudy, with a low around 36. West wind around 10 mph. Chance of precipitation is 50%.

    Low: 36 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 48. West wind around 11 mph, with gusts as high as 21 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. Northwest wind 6 to 8 mph.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers after 4am. Patchy dense fog. Otherwise, cloudy, with a low around 56. East wind 5 to 7 mph becoming light and variable in the evening. Chance of precipitation is 20%.
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. Cloudy, with a high near 71. Calm wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers before 8pm. Mostly cloudy, with a low around 49. Northeast wind 3 to 5 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 58. East wind 6 to 9 mph.
Saturday Night
A chance of showers, mainly after 5am. Cloudy, with a low around 47. East wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 30%.
Sunday
Showers, mainly after 11am. High near 60. South wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 36. West wind around 10 mph. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 48. West wind around 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 30. Northwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 53. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 41. South wind around 8 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 62. West wind 8 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 41. Northwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 61. Northwest wind 6 to 8 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:
6:34 pm EDT Apr 16, 2026
Forecast Valid:
7pm EDT Apr 16, 2026-6pm EDT Apr 23, 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