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

17°F

-8°C

Humidity 43%
Wind Speed W 10 mph
Barometer 29.73 in (1006.9 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 1 Jan 7:54 pm EST
Extended Forecast for

Merrimac MA

  • Tonight

    Tonight: Increasing clouds, with a low around 11. Wind chill values as low as zero. West wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 11 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 26. West wind 6 to 9 mph.

    High: 26 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 13. West wind around 6 mph.

    Low: 13 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 27. West wind 6 to 9 mph.

    High: 27 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after 2am. Mostly cloudy, with a low around 15. Calm wind. Chance of precipitation is 20%.

    Low: 15 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A slight chance of snow before 8am. Partly sunny, with a high near 27. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 27 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 8. Northwest wind 3 to 7 mph.

    Low: 8 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 22. Northwest wind 3 to 6 mph.

    High: 22 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow after 9pm. Mostly cloudy, with a low around 15. Calm wind. Chance of precipitation is 30%.

    Low: 15 °F

    Chance Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 11. Wind chill values as low as zero. West wind 6 to 10 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 26. West wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 13. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 27. West wind 6 to 9 mph.
Saturday Night
A slight chance of snow after 2am. Mostly cloudy, with a low around 15. Calm wind. Chance of precipitation is 20%.
Sunday
A slight chance of snow before 8am. Partly sunny, with a high near 27. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 8. Northwest wind 3 to 7 mph.
Monday
Mostly sunny, with a high near 22. Northwest wind 3 to 6 mph.
Monday Night
A chance of snow after 9pm. Mostly cloudy, with a low around 15. Calm wind. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 34. Light and variable wind.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 25. Light and variable wind. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 41. Southwest wind 3 to 5 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 29. West wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 41. West wind around 7 mph.
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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:
1:45 pm EST Jan 1, 2026
Forecast Valid:
8pm EST Jan 1, 2026-6pm EST Jan 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation