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

Lawrence Municipal Airport (KLWM)

Lat: 42.71°NLon: 71.13°WElev: 135ft.

Fair

52°F

11°C

Humidity 47%
Wind Speed NW 14 G 32 mph
Barometer 29.83 in (1010.2 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 1 May 9:54 am EDT
Extended Forecast for

Merrimac MA

  • Today

    Today: Sunny, with a high near 63. West wind around 8 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers after 3am. Increasing clouds, with a low around 42. Light northwest wind. Chance of precipitation is 20%.

    Low: 42 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 59. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 9pm, then a chance of rain after 9pm. Mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of rain, mainly before 2pm. Mostly cloudy, with a high near 56. Northwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 56 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind around 6 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 65. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. South wind around 8 mph.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. South wind 8 to 14 mph, with gusts as high as 29 mph.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 63. West wind around 8 mph.
Tonight
A slight chance of showers after 3am. Increasing clouds, with a low around 42. Light northwest wind. Chance of precipitation is 20%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 59. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers before 9pm, then a chance of rain after 9pm. Mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of rain, mainly before 2pm. Mostly cloudy, with a high near 56. Northwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 38. West wind around 6 mph.
Monday
Mostly sunny, with a high near 65. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 49. South wind around 8 mph.
Tuesday
Mostly sunny, with a high near 74. South wind 8 to 14 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly cloudy, with a low around 54. South wind around 11 mph, with gusts as high as 24 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 68. South wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 51. South wind 6 to 9 mph. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 63. Southwest wind 6 to 9 mph. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 70.99°W (Elev. 98 ft)
Last Update:
3:47 am EDT May 1, 2026
Forecast Valid:
10am EDT May 1, 2026-6pm EDT May 7, 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