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.

Mostly Cloudy

28°F

-2°C

Humidity 44%
Wind Speed NW 12 G 24 mph
Barometer 29.55 in (1000.8 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 23 Feb 10:54 pm EST
Extended Forecast for

Merrimac MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. Northwest wind 10 to 14 mph, with gusts as high as 29 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 30. Northwest wind 7 to 10 mph, with gusts as high as 24 mph.

    High: 30 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow after 5am. Increasing clouds, with a low around 9. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 9 °F

    Mostly Clear
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow before 2pm, then a chance of rain between 2pm and 5pm, then a slight chance of rain and snow after 5pm. High near 37. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 37 °F

    Snow then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. Southwest wind 3 to 6 mph.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain after 2pm. Mostly sunny, with a high near 38. West wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 38 °F

    Sunny then
    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Snow likely, mainly between 10pm and midnight. Mostly cloudy, with a low around 23. Light and variable wind becoming north around 5 mph after midnight. Chance of precipitation is 60%.

    Low: 23 °F

    Snow Likely

  • Friday

    Friday: A chance of snow before 10am. Partly sunny, with a high near 38. Northwest wind around 6 mph. Chance of precipitation is 40%.

    High: 38 °F

    Chance Snow
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 20. Southwest wind 3 to 5 mph.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 19. Northwest wind 10 to 14 mph, with gusts as high as 29 mph.
Tuesday
Sunny, with a high near 30. Northwest wind 7 to 10 mph, with gusts as high as 24 mph.
Tuesday Night
A chance of snow after 5am. Increasing clouds, with a low around 9. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
Snow before 2pm, then a chance of rain between 2pm and 5pm, then a slight chance of rain and snow after 5pm. High near 37. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Partly cloudy, with a low around 24. Southwest wind 3 to 6 mph.
Thursday
A slight chance of rain after 2pm. Mostly sunny, with a high near 38. West wind 5 to 7 mph. Chance of precipitation is 20%.
Thursday Night
Snow likely, mainly between 10pm and midnight. Mostly cloudy, with a low around 23. Light and variable wind becoming north around 5 mph after midnight. Chance of precipitation is 60%.
Friday
A chance of snow before 10am. Partly sunny, with a high near 38. Northwest wind around 6 mph. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 20. Southwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 45. Southwest wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 26. Southwest wind around 6 mph.
Sunday
Partly sunny, with a high near 40. Northwest wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 11. Northwest wind around 6 mph.
Monday
A chance of snow. Partly sunny, with a high near 26. North wind around 7 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 71.01°W (Elev. 135 ft)
Last Update:
9:05 pm EST Feb 23, 2026
Forecast Valid:
10pm EST Feb 23, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation