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.

Partly Cloudy

79°F

26°C

Humidity 62%
Wind Speed S 12 mph
Barometer 29.90 in (1013.7 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 2 Aug 6:51 pm EDT
Extended Forecast for

Lexington MA

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Patchy fog after 2am. Low around 69. South wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Slight Chance
    Showers then
    Heavy Rain
    and Patchy
    Fog

  • Monday

    Monday: Showers and thunderstorms before 4pm, then a chance of showers between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Patchy fog. High near 80. South wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 80 °F

    Heavy Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. West wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. West wind 5 to 7 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Southwest wind 3 to 5 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 67. Southwest wind 3 to 5 mph.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers after 5pm. Mostly sunny, with a high near 88. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 88 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. Southwest wind around 6 mph.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Patchy fog after 2am. Low around 69. South wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms before 4pm, then a chance of showers between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Patchy fog. High near 80. South wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. West wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 84. West wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 63. Southwest wind 3 to 5 mph.
Wednesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 67. Southwest wind 3 to 5 mph.
Thursday
A chance of showers after 5pm. Mostly sunny, with a high near 88. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 71. Southwest wind around 6 mph.
Friday
A chance of showers after 4pm. Mostly sunny, with a high near 89. West wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 72. Southwest wind around 6 mph. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 88. West wind 5 to 8 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly sunny, with a high near 88. Southwest wind 5 to 9 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lexington MA
 42.45°N 71.23°W (Elev. 223 ft)
Last Update:
5:37 pm EDT Aug 2, 2026
Forecast Valid:
7pm EDT Aug 2, 2026-6pm EDT Aug 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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