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.

Partly Cloudy

73°F

23°C

Humidity 79%
Wind Speed SW 3 mph
Barometer 29.90 in (1013.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 31 Jul 7:51 pm EDT
Extended Forecast for

Belmont MA

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 63. Light southwest wind.

    Low: 63 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, increasing clouds, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 66. South wind around 7 mph.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 86. South wind 7 to 11 mph.

    High: 86 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 3am. Mostly cloudy, with a low around 68. South wind 5 to 8 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 84. Southwest wind 6 to 10 mph. Chance of precipitation is 80%.

    High: 84 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 82. North wind 5 to 8 mph becoming east in the afternoon. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 9pm. Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 63. Light southwest wind.
Saturday
Patchy fog before 9am. Otherwise, increasing clouds, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 66. South wind around 7 mph.
Sunday
Partly sunny, with a high near 86. South wind 7 to 11 mph.
Sunday Night
A chance of showers, mainly after 3am. Mostly cloudy, with a low around 68. South wind 5 to 8 mph. Chance of precipitation is 30%.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 84. Southwest wind 6 to 10 mph. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers. Partly sunny, with a high near 82. North wind 5 to 8 mph becoming east in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A chance of showers before 9pm. Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 84. Light and variable wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 70. Southwest wind around 6 mph.
Thursday
A chance of showers. Mostly sunny, with a high near 87. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 71. Southwest wind around 7 mph. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 88. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Belmont MA
 42.4°N 71.18°W (Elev. 98 ft)
Last Update:
3:45 pm EDT Jul 31, 2026
Forecast Valid:
8pm EDT Jul 31, 2026-6pm EDT Aug 7, 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