National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Mostly Cloudy

77°F

25°C

Humidity 82%
Wind Speed SW 7 mph
Barometer 30.03 in (1018.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 14 Jul 8:51 pm EDT
Extended Forecast for

Lexington MA

Heat Advisory July 15, 11:00am until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Patchy fog after 3am. Otherwise, cloudy, with a low around 71. Southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Patchy fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 89. Heat index values as high as 95. West wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 89 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Southwest wind around 5 mph.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 92. Heat index values as high as 98. Southwest wind 3 to 6 mph.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 74. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 9am. Partly sunny and hot, with a high near 90. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 75. West wind around 7 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 89. West wind around 7 mph. Chance of precipitation is 30%.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. North wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Patchy fog after 3am. Otherwise, cloudy, with a low around 71. Southwest wind around 6 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Patchy fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 89. Heat index values as high as 95. West wind 3 to 5 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 71. Southwest wind around 5 mph.
Wednesday
Mostly sunny and hot, with a high near 92. Heat index values as high as 98. Southwest wind 3 to 6 mph.
Wednesday Night
A slight chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 74. Southwest wind around 7 mph. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms, mainly after 9am. Partly sunny and hot, with a high near 90. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 75. West wind around 7 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 89. West wind around 7 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. North wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 82. North wind around 6 mph becoming east in the afternoon.
Saturday Night
Partly cloudy, with a low around 66. Southeast wind around 6 mph becoming light and variable in the evening.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 3 to 7 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 81. Northwest wind around 7 mph becoming north in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lexington MA
 42.43°N 71.23°W (Elev. 246 ft)
Last Update:
2:03 pm EDT Jul 14, 2025
Forecast Valid:
9pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
 
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