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

11°F

-12°C

Humidity 44%
Wind Speed NW 8 G 20 mph
Barometer 30.30 in (1026.1 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 5 Dec 2:54 am EST
Extended Forecast for

Merrimac MA

  • Overnight

    Overnight: Mostly clear, with a low around 6. Wind chill values as low as -3. Northwest wind around 6 mph.

    Low: 6 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 24. Wind chill values as low as -1. Light and variable wind becoming southwest around 5 mph.

    High: 24 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 15. Calm wind.

    Low: 15 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of snow before 3pm, then a slight chance of rain. Mostly cloudy, with a high near 37. Light southwest wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 37 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. Calm wind becoming west around 5 mph after midnight.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 34. Northwest wind 3 to 6 mph.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of snow after 8pm. Mostly cloudy, with a low around 16. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 50%.

    Low: 16 °F

    Chance Snow

  • Monday

    Monday: A chance of snow before 9am. Mostly sunny, with a high near 25. Northwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 25 °F

    Chance Snow
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 5. West wind around 6 mph.

    Low: 5 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 6. Wind chill values as low as -3. Northwest wind around 6 mph.
Friday
Sunny, with a high near 24. Wind chill values as low as -1. Light and variable wind becoming southwest around 5 mph.
Friday Night
Increasing clouds, with a low around 15. Calm wind.
Saturday
A chance of snow before 3pm, then a slight chance of rain. Mostly cloudy, with a high near 37. Light southwest wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Partly cloudy, with a low around 21. Calm wind becoming west around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 34. Northwest wind 3 to 6 mph.
Sunday Night
A chance of snow after 8pm. Mostly cloudy, with a low around 16. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 50%.
Monday
A chance of snow before 9am. Mostly sunny, with a high near 25. Northwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 5. West wind around 6 mph.
Tuesday
Partly sunny, with a high near 31. Southwest wind around 6 mph.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 21. Southwest wind around 6 mph. Chance of precipitation is 40%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 43. South wind around 7 mph. Chance of precipitation is 30%.
Wednesday Night
Rain likely. Cloudy, with a low around 32. South wind around 6 mph. Chance of precipitation is 70%.
Thursday
A chance of rain. Mostly cloudy, with a high near 41. Southwest wind around 7 mph. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 70.99°W (Elev. 98 ft)
Last Update:
2:50 am EST Dec 5, 2025
Forecast Valid:
3am EST Dec 5, 2025-6pm EST Dec 11, 2025
 
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