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

24°F

-4°C

Humidity 32%
Wind Speed SW 7 mph
Barometer 30.10 in (1019.5 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 9 Dec 2:54 pm EST
Extended Forecast for

Merrimac MA

  • Tonight

    Tonight: A chance of snow, mainly before 1am. Cloudy, with a low around 19. Southwest wind 3 to 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 19 °F

    Chance Snow

  • Wednesday

    Wednesday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 43. South wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Slight Chance
    Rain then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 1am, then a slight chance of rain between 1am and 3am. Patchy fog before 3am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 27. Southwest wind around 7 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 27 °F

    Rain/Snow
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 33. West wind 13 to 17 mph, with gusts as high as 37 mph.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. West wind 15 to 17 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 32. West wind 9 to 15 mph.

    High: 32 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19. West wind around 6 mph.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 35. West wind 5 to 7 mph.

    High: 35 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 4am. Mostly cloudy, with a low around 23. West wind around 6 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
A chance of snow, mainly before 1am. Cloudy, with a low around 19. Southwest wind 3 to 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 43. South wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain and snow likely before 1am, then a slight chance of rain between 1am and 3am. Patchy fog before 3am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 27. Southwest wind around 7 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 33. West wind 13 to 17 mph, with gusts as high as 37 mph.
Thursday Night
Partly cloudy, with a low around 18. West wind 15 to 17 mph.
Friday
Sunny, with a high near 32. West wind 9 to 15 mph.
Friday Night
Partly cloudy, with a low around 19. West wind around 6 mph.
Saturday
Partly sunny, with a high near 35. West wind 5 to 7 mph.
Saturday Night
A chance of snow after 4am. Mostly cloudy, with a low around 23. West wind around 6 mph. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 33. West wind 6 to 9 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 11. Northwest wind around 9 mph.
Monday
Sunny, with a high near 23. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 12. West wind around 6 mph.
Tuesday
Mostly sunny, with a high near 29. 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:
12:52 pm EST Dec 9, 2025
Forecast Valid:
3pm EST Dec 9, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation