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

68°F

20°C

Humidity 84%
Wind Speed NE 7 mph
Barometer 30.02 in (1017.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 22 Aug 3:51 pm EDT
Extended Forecast for

Lexington MA

  • This Afternoon

    This Afternoon: Patchy drizzle with a chance of showers. Cloudy, with a high near 72. Northeast wind around 9 mph. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers

  • Tonight

    Tonight: Patchy drizzle with a chance of showers. Patchy fog after 8pm. Otherwise, cloudy, with a low around 63. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 11am. Patchy fog before 2pm. Otherwise, cloudy, with a high near 75. Calm wind becoming east around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 1am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 62. South wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Patchy fog before 7am. Otherwise, sunny, with a high near 82. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Southwest wind around 6 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. West wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. West wind around 6 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. West wind 5 to 7 mph.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Patchy drizzle with a chance of showers. Cloudy, with a high near 72. Northeast wind around 9 mph. Chance of precipitation is 30%.
Tonight
Patchy drizzle with a chance of showers. Patchy fog after 8pm. Otherwise, cloudy, with a low around 63. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers, with thunderstorms also possible after 11am. Patchy fog before 2pm. Otherwise, cloudy, with a high near 75. Calm wind becoming east around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 1am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 62. South wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Patchy fog before 7am. Otherwise, sunny, with a high near 82. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 59. Southwest wind around 6 mph.
Tuesday
Sunny, with a high near 80. West wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 60. West wind around 6 mph.
Wednesday
Sunny, with a high near 83. West wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 61. Light west wind.
Thursday
Mostly sunny, with a high near 84. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 64. South wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 82. Light and variable wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 64. West wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lexington MA
 42.43°N 71.23°W (Elev. 246 ft)
Last Update:
3:11 pm EDT Aug 22, 2026
Forecast Valid:
4pm EDT Aug 22, 2026-6pm EDT Aug 29, 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