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

19°F

-7°C

Humidity 96%
Wind Speed Calm
Barometer 30.03 in (1016.9 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 15 Feb 3:54 am EST
Extended Forecast for

Merrimac MA

  • Today

    Today: Sunny, with a high near 32. Northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 32 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 19. Calm wind.

    Low: 19 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 38. Light and variable wind.

    High: 38 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Isolated flurries before 11am. Partly sunny, with a high near 41. Calm wind becoming southwest around 5 mph.

    High: 41 °F

    Isolated
    Flurries

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26. Light west wind.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain after 1pm. Mostly cloudy, with a high near 41. Light and variable wind. Chance of precipitation is 50%.

    High: 41 °F

    Partly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 7pm, then snow. Low around 28. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 80%.

    Low: 28 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: A chance of snow before 11am. Partly sunny, with a high near 39. North wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 40%.

    High: 39 °F

    Chance Snow
    then Mostly
    Sunny

Detailed Forecast

Today
Sunny, with a high near 32. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Tonight
Increasing clouds, with a low around 19. Calm wind.
Washington's Birthday
Mostly cloudy, with a high near 38. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 24. Calm wind.
Tuesday
Isolated flurries before 11am. Partly sunny, with a high near 41. Calm wind becoming southwest around 5 mph.
Tuesday Night
Partly cloudy, with a low around 26. Light west wind.
Wednesday
A chance of rain after 1pm. Mostly cloudy, with a high near 41. Light and variable wind. Chance of precipitation is 50%.
Wednesday Night
Rain and snow likely before 7pm, then snow. Low around 28. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 80%.
Thursday
A chance of snow before 11am. Partly sunny, with a high near 39. North wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 25. Light and variable wind.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 39. North wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 50%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 27. East wind around 6 mph. Chance of precipitation is 50%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 39. Northwest wind 6 to 8 mph. Chance of precipitation is 40%.
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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:
3:35 am EST Feb 15, 2026
Forecast Valid:
4am EST Feb 15, 2026-6pm EST Feb 21, 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