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.

Overcast

31°F

-1°C

Humidity 67%
Wind Speed SW 6 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 13 Jan 1:54 am EST
Extended Forecast for

Merrimac MA

  • Overnight

    Overnight: Partly cloudy, with a low around 27. Southwest wind around 6 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 42. Southwest wind around 6 mph.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 33. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Cloudy, with a high near 47. Southwest wind 5 to 7 mph.

    High: 47 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 7pm. Cloudy, with a low around 33. Calm wind. Chance of precipitation is 50%.

    Low: 33 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain, mainly after 5pm. Mostly cloudy, with a high near 42. West wind 3 to 8 mph. Chance of precipitation is 50%.

    High: 42 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 18. West wind 7 to 9 mph. Chance of precipitation is 40%.

    Low: 18 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A chance of snow before 8am. Mostly sunny, with a high near 29. West wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 29 °F

    Chance Snow
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19. Southwest wind 3 to 5 mph.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 27. Southwest wind around 6 mph.
Tuesday
Sunny, with a high near 42. Southwest wind around 6 mph.
Tuesday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 33. South wind around 7 mph. Chance of precipitation is 20%.
Wednesday
Cloudy, with a high near 47. Southwest wind 5 to 7 mph.
Wednesday Night
A chance of rain, mainly after 7pm. Cloudy, with a low around 33. Calm wind. Chance of precipitation is 50%.
Thursday
A chance of rain, mainly after 5pm. Mostly cloudy, with a high near 42. West wind 3 to 8 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 18. West wind 7 to 9 mph. Chance of precipitation is 40%.
Friday
A chance of snow before 8am. Mostly sunny, with a high near 29. West wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 19. Southwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 37. Southwest wind 3 to 6 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 24. Light and variable wind becoming west around 5 mph after midnight. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 36. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Partly cloudy, with a low around 18. West wind 6 to 8 mph. Chance of precipitation is 30%.
M.L.King Day
Mostly sunny, with a high near 30. West wind 8 to 10 mph, with gusts as high as 20 mph.
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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:
5:03 pm EST Jan 12, 2026
Forecast Valid:
2am EST Jan 13, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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