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.

Fair

61°F

16°C

Humidity 84%
Wind Speed Calm
Barometer 30.08 in (1019.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 18 May 10:51 pm EDT
Extended Forecast for

Marlborough MA

Heat Advisory May 19, 11:00am until May 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 66. Southwest wind 7 to 9 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 94. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 94 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. Southwest wind around 9 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds and hot, with a high near 90. West wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before 7pm. Mostly cloudy, with a low around 51. West wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. North wind around 8 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. North wind 3 to 5 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 3am. Mostly cloudy, with a low around 47. Light and variable wind. Chance of precipitation is 30%.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 66. Southwest wind 7 to 9 mph.
Tuesday
Mostly sunny and hot, with a high near 94. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 71. Southwest wind around 9 mph.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds and hot, with a high near 90. West wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers, mainly before 7pm. Mostly cloudy, with a low around 51. West wind 7 to 9 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 68. North wind around 8 mph.
Thursday Night
Partly cloudy, with a low around 45. North wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
A chance of showers after 3am. Mostly cloudy, with a low around 47. Light and variable wind. Chance of precipitation is 30%.
Saturday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 63. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 47. Northeast wind 3 to 5 mph. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 64. East wind 5 to 7 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 48. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 68. Northeast wind around 6 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marlborough MA
 42.34°N 71.55°W (Elev. 410 ft)
Last Update:
7:55 pm EDT May 18, 2026
Forecast Valid:
11pm EDT May 18, 2026-6pm EDT May 25, 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