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

44°F

7°C

Humidity 85%
Wind Speed SW 7 mph
Barometer 29.74 in (1008.3 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 21 Mar 1:51 am EDT
Extended Forecast for

Lexington MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. Southwest wind around 6 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 49. Northwest wind 8 to 13 mph, with gusts as high as 25 mph.

    High: 49 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after 3am. Increasing clouds, with a low around 37. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Rain and snow likely, becoming all rain after 9am. Cloudy, with a high near 50. Southeast wind 7 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 50 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely before 4am, then rain and snow likely. Cloudy, with a low around 33. West wind around 7 mph becoming north after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Snow likely, mainly before 7am. Mostly cloudy, with a high near 40. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely
    then Chance
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. Northwest wind 6 to 8 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Northwest wind around 7 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Southwest wind around 8 mph.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. Southwest wind around 6 mph.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 49. Northwest wind 8 to 13 mph, with gusts as high as 25 mph.
Saturday Night
A slight chance of snow after 3am. Increasing clouds, with a low around 37. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Rain and snow likely, becoming all rain after 9am. Cloudy, with a high near 50. Southeast wind 7 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
Rain likely before 4am, then rain and snow likely. Cloudy, with a low around 33. West wind around 7 mph becoming north after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday
Snow likely, mainly before 7am. Mostly cloudy, with a high near 40. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, with a low around 27. Northwest wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 44. Northwest wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Southwest wind around 8 mph.
Wednesday
Partly sunny, with a high near 50. West wind 8 to 11 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly cloudy, with a low around 31. West wind around 8 mph.
Thursday
A chance of rain. Mostly cloudy, with a high near 48. South wind 7 to 9 mph. Chance of precipitation is 30%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 36. Southwest wind around 9 mph. Chance of precipitation is 60%.
Friday
Rain and snow likely. Partly sunny, with a high near 47. Northwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lexington MA
 42.45°N 71.23°W (Elev. 223 ft)
Last Update:
2:33 am EDT Mar 21, 2026
Forecast Valid:
2am EDT Mar 21, 2026-6pm EDT Mar 27, 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