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

39°F

4°C

Humidity 55%
Wind Speed W 8 mph
Barometer 29.69 in (1006.8 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 12 Mar 5:51 pm EDT
Extended Forecast for

Belmont MA

  • Tonight

    Tonight: Rain and snow before 10pm, then a slight chance of snow between 10pm and 11pm. Low around 29. West wind 8 to 10 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 44. West wind 6 to 10 mph becoming south in the afternoon.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of snow before 10pm, then a chance of rain. Mostly cloudy, with a low around 36. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 48. West wind 13 to 18 mph, with gusts as high as 45 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. West wind 6 to 11 mph, with gusts as high as 31 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 45. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 45 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly after 5am. Cloudy, with a low around 37. Southeast wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Mostly Cloudy
    then Rain
    Likely

  • Monday

    Monday: Rain. High near 61. South wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.

    High: 61 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 41. South wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.

    Low: 41 °F

    Rain

Detailed Forecast

Tonight
Rain and snow before 10pm, then a slight chance of snow between 10pm and 11pm. Low around 29. West wind 8 to 10 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Increasing clouds, with a high near 44. West wind 6 to 10 mph becoming south in the afternoon.
Friday Night
A slight chance of snow before 10pm, then a chance of rain. Mostly cloudy, with a low around 36. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
Mostly sunny, with a high near 48. West wind 13 to 18 mph, with gusts as high as 45 mph.
Saturday Night
Mostly clear, with a low around 29. West wind 6 to 11 mph, with gusts as high as 31 mph.
Sunday
Mostly cloudy, with a high near 45. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Sunday Night
Rain likely, mainly after 5am. Cloudy, with a low around 37. Southeast wind 7 to 9 mph. Chance of precipitation is 60%.
Monday
Rain. High near 61. South wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 41. South wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.
Tuesday
A chance of rain before 11am. Partly sunny, with a high near 49. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 24. West wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 38. West wind around 8 mph.
Wednesday Night
Partly cloudy, with a low around 25. West wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 42. South wind 5 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:
4:59 pm EDT Mar 12, 2026
Forecast Valid:
6pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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