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

42°F

6°C

Humidity 30%
Wind Speed S 6 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 27 Feb 4:54 pm EST
Extended Forecast for

Merrimac MA

  • Tonight

    Tonight: Partly cloudy, with a low around 22. South wind around 6 mph.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. South wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25. Light and variable wind.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Snow likely, mainly before noon. Mostly cloudy, with a high near 35. North wind 3 to 7 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 35 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A slight chance of snow between 7pm and 9pm. Mostly clear, with a low around 8. Northwest wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 8 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 24. Northwest wind around 6 mph.

    High: 24 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 9. Light southwest wind.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow before 3pm, then a chance of rain between 3pm and 4pm, then a chance of rain and snow after 4pm. Partly sunny, with a high near 37. South wind 5 to 8 mph. Chance of precipitation is 40%.

    High: 37 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow likely before 10pm, then snow likely between 10pm and midnight, then rain likely, possibly mixed with snow after midnight. Mostly cloudy, with a low around 28. South wind around 6 mph becoming west after midnight. Chance of precipitation is 60%.

    Low: 28 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 22. South wind around 6 mph.
Saturday
Mostly sunny, with a high near 50. South wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 25. Light and variable wind.
Sunday
Snow likely, mainly before noon. Mostly cloudy, with a high near 35. North wind 3 to 7 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Sunday Night
A slight chance of snow between 7pm and 9pm. Mostly clear, with a low around 8. Northwest wind 6 to 8 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 24. Northwest wind around 6 mph.
Monday Night
Mostly clear, with a low around 9. Light southwest wind.
Tuesday
A chance of snow before 3pm, then a chance of rain between 3pm and 4pm, then a chance of rain and snow after 4pm. Partly sunny, with a high near 37. South wind 5 to 8 mph. Chance of precipitation is 40%.
Tuesday Night
Rain and snow likely before 10pm, then snow likely between 10pm and midnight, then rain likely, possibly mixed with snow after midnight. Mostly cloudy, with a low around 28. South wind around 6 mph becoming west after midnight. Chance of precipitation is 60%.
Wednesday
A chance of rain before 10am. Mostly sunny, with a high near 46. West wind around 7 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 27. Light west wind.
Thursday
A chance of rain. Mostly cloudy, with a high near 43. West wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 40%.
Thursday Night
Rain and snow likely. Cloudy, with a low around 28. Northeast wind 6 to 8 mph. Chance of precipitation is 60%.
Friday
A chance of rain and snow. Cloudy, with a high near 40. Northeast wind around 8 mph. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 71.01°W (Elev. 135 ft)
Last Update:
2:35 pm EST Feb 27, 2026
Forecast Valid:
4pm EST Feb 27, 2026-6pm EST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation