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

21°F

-6°C

Humidity 74%
Wind Speed Calm
Barometer 30.17 in (1021.8 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 15 Feb 8:54 pm EST
Extended Forecast for

Merrimac MA

  • Tonight

    Tonight: Increasing clouds, with a low around 18. Calm wind.

    Low: 18 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 37. Light and variable wind.

    High: 37 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. Calm wind becoming south around 5 mph.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. Light west wind.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow before 1pm, then a chance of rain between 1pm and 2pm, then rain and snow likely after 2pm. Mostly cloudy, with a high near 39. Light and variable wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 39 °F

    Slight Chance
    Rain then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow, mainly before midnight. Low around 26. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 80%.

    Low: 26 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: Partly sunny, with a high near 38. North wind around 6 mph becoming light and variable in the afternoon.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 18. Calm wind.
Washington's Birthday
Mostly cloudy, with a high near 37. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 23. Calm wind.
Tuesday
Partly sunny, with a high near 40. Calm wind becoming south around 5 mph.
Tuesday Night
Partly cloudy, with a low around 27. Light west wind.
Wednesday
A slight chance of rain and snow before 1pm, then a chance of rain between 1pm and 2pm, then rain and snow likely after 2pm. Mostly cloudy, with a high near 39. Light and variable wind. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Snow, mainly before midnight. Low around 26. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 38. North wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
Partly cloudy, with a low around 24. Calm wind.
Friday
A chance of snow before noon, then a chance of rain between noon and 5pm, then a chance of rain and snow after 5pm. Mostly cloudy, with a high near 38. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 50%.
Friday Night
Rain and snow likely. Cloudy, with a low around 28. Northeast wind 3 to 5 mph. Chance of precipitation is 60%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 38. Northeast wind around 6 mph. Chance of precipitation is 40%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 24. Light and variable wind becoming west around 6 mph in the evening. Chance of precipitation is 30%.
Sunday
A chance of rain. Partly sunny, with a high near 38. West wind 6 to 8 mph. 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:
6:51 pm EST Feb 15, 2026
Forecast Valid:
8pm EST Feb 15, 2026-6pm EST Feb 22, 2026
 
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