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

71°F

22°C

Humidity 59%
Wind Speed Calm
Barometer 30.15 in (1022.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 16 Aug 9:51 am EDT
Extended Forecast for

Lexington MA

  • Today

    Today: Mostly sunny, with a high near 81. Light and variable wind becoming south 5 to 9 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 3am. Cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 1pm. Patchy fog. Otherwise, cloudy, with a high near 74. East wind 10 to 14 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 74 °F

    Showers
    Likely and
    Patchy Fog

  • Monday Night

    Monday Night: A slight chance of showers before midnight. Patchy fog between 7pm and 9pm. Otherwise, mostly cloudy, with a low around 66. North wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 81. Northeast wind around 5 mph.

    High: 81 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. Southwest wind 3 to 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers after 7am. Partly sunny, with a high near 82. Northwest wind around 6 mph. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 81. Light and variable wind becoming south 5 to 9 mph in the afternoon.
Tonight
A chance of showers, mainly after 3am. Cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely, mainly before 1pm. Patchy fog. Otherwise, cloudy, with a high near 74. East wind 10 to 14 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A slight chance of showers before midnight. Patchy fog between 7pm and 9pm. Otherwise, mostly cloudy, with a low around 66. North wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 81. Northeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 63. Light and variable wind.
Wednesday
Sunny, with a high near 85. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 65. Southwest wind 3 to 5 mph.
Thursday
A chance of showers after 7am. Partly sunny, with a high near 82. Northwest wind around 6 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 9pm. Partly cloudy, with a low around 59. Light west wind. Chance of precipitation is 30%.
Friday
Sunny, with a high near 80. Northwest wind around 6 mph becoming southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 79. Calm wind becoming east 5 to 7 mph in the afternoon.
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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:
6:19 am EDT Aug 16, 2026
Forecast Valid:
10am EDT Aug 16, 2026-6pm EDT Aug 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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