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

64°F

18°C

Humidity 41%
Wind Speed Vrbl 3 mph
Barometer 30.19 in (1023.6 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 21 May 11:51 am EDT
Extended Forecast for

Lexington MA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 65. Northwest wind around 5 mph.

    High: 65 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 42. North wind 3 to 5 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 65. Northeast wind around 7 mph becoming east in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. Southeast wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 64. Calm wind becoming east 5 to 8 mph in the morning.

    High: 64 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 5am. Cloudy, with a low around 47. East wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 47 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers. High near 57. East wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 49. East wind 5 to 8 mph. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Memorial Day

    Memorial Day: A chance of showers. Cloudy, with a high near 68. Northeast wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 65. Northwest wind around 5 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 42. North wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 65. Northeast wind around 7 mph becoming east in the afternoon.
Friday Night
Mostly cloudy, with a low around 48. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 64. Calm wind becoming east 5 to 8 mph in the morning.
Saturday Night
Showers likely, mainly after 5am. Cloudy, with a low around 47. East wind 3 to 5 mph. Chance of precipitation is 60%.
Sunday
Showers. High near 57. East wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 49. East wind 5 to 8 mph. Chance of precipitation is 70%.
Memorial Day
A chance of showers. Cloudy, with a high near 68. Northeast wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Monday Night
A chance of showers before 9pm. Mostly cloudy, with a low around 53. Light and variable wind. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 79. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 57. West wind around 6 mph.
Wednesday
Mostly sunny, with a high near 79. Northwest wind 5 to 9 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lexington MA
 42.45°N 71.23°W (Elev. 223 ft)
Last Update:
6:42 am EDT May 21, 2026
Forecast Valid:
12pm EDT May 21, 2026-6pm EDT May 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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