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

12°F

-11°C

Humidity 77%
Wind Speed Calm
Barometer 29.85 in (1011.2 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 25 Feb 4:54 am EST
Extended Forecast for

Merrimac MA

  • Overnight

    Overnight: A slight chance of snow. Mostly cloudy, with a low around 8. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 8 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Snow, mainly before 1pm. High near 38. Southwest wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 38 °F

    Snow then
    Snow Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Southwest wind around 7 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 37. West wind 8 to 10 mph.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 14. West wind around 5 mph becoming calm in the evening.

    Low: 14 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 38. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 38 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. Southwest wind 3 to 5 mph.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 46. South wind 6 to 8 mph.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. West wind around 5 mph.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of snow. Mostly cloudy, with a low around 8. South wind around 5 mph. Chance of precipitation is 20%.
Wednesday
Snow, mainly before 1pm. High near 38. Southwest wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Southwest wind around 7 mph.
Thursday
Sunny, with a high near 37. West wind 8 to 10 mph.
Thursday Night
Mostly clear, with a low around 14. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 38. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 22. Southwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 46. South wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 23. West wind around 5 mph.
Sunday
Partly sunny, with a high near 36. West wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 10. Northwest wind around 7 mph.
Monday
A chance of snow. Partly sunny, with a high near 24. North wind around 7 mph. Chance of precipitation is 30%.
Monday Night
A chance of snow. Partly cloudy, with a low around 7. North wind 3 to 5 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 31. North wind around 6 mph becoming south in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 71.01°W (Elev. 135 ft)
Last Update:
1:01 am EST Feb 25, 2026
Forecast Valid:
5am EST Feb 25, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation