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 92%
Wind Speed Calm
Barometer 30.15 in (1022.3 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 15 Oct 11:51 pm EDT
Extended Forecast for

Lexington MA

  • Overnight

    Overnight: Increasing clouds, with a low around 41. Calm wind.

    Low: 41 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers, with thunderstorms also possible after 5pm. Patchy fog before 2pm. High near 69. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers and
    Patchy Fog
    then Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 48. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 53. Northwest wind 13 to 17 mph, with gusts as high as 32 mph.

    High: 53 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Patchy frost after 11pm. Otherwise, mostly clear, with a low around 30. Northwest wind 5 to 10 mph.

    Low: 30 °F

    Patchy Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, sunny, with a high near 55. Northwest wind around 6 mph.

    High: 55 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. South wind around 5 mph.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 60. South wind 5 to 8 mph.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. South wind around 6 mph becoming west after midnight.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Increasing clouds, with a low around 41. Calm wind.
Friday
Showers, with thunderstorms also possible after 5pm. Patchy fog before 2pm. High near 69. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 48. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 53. Northwest wind 13 to 17 mph, with gusts as high as 32 mph.
Saturday Night
Patchy frost after 11pm. Otherwise, mostly clear, with a low around 30. Northwest wind 5 to 10 mph.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 55. Northwest wind around 6 mph.
Sunday Night
Clear, with a low around 37. South wind around 5 mph.
Monday
Sunny, with a high near 60. South wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 40. South wind around 6 mph becoming west after midnight.
Tuesday
Mostly sunny, with a high near 63. North wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 43. North wind 3 to 5 mph.
Wednesday
Sunny, with a high near 60. Northeast wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 40. Calm wind becoming north around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 57. North wind around 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Lexington MA
 42.45°N 71.23°W (Elev. 223 ft)
Last Update:
10:28 pm EDT Oct 15, 2026
Forecast Valid:
12am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation