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

48°F

9°C

Humidity 58%
Wind Speed SW 5 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 10 Mar 12:54 am EDT
Extended Forecast for

Merrimac MA

  • Overnight

    Overnight: Mostly clear, with a low around 42. Southwest wind around 7 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. Southwest wind 5 to 8 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of light rain, mainly after 5am. Increasing clouds, with a low around 39. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 30%.

    Low: 39 °F

    Partly Cloudy
    then Chance
    Light Rain

  • Wednesday

    Wednesday: A chance of light rain, mainly after 9am. Patchy fog. Otherwise, cloudy, with a high near 45. Northeast wind 7 to 11 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance Light
    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Cloudy, with a low around 42. South wind 6 to 8 mph. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 58. West wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 58 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 10pm. Mostly cloudy, with a low around 25. West wind around 9 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43. West wind 6 to 9 mph becoming southwest in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of snow between 7pm and 11pm, then rain and snow likely. Mostly cloudy, with a low around 31. South wind around 8 mph. Chance of precipitation is 60%.

    Low: 31 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 42. Southwest wind around 7 mph.
Tuesday
Sunny, with a high near 72. Southwest wind 5 to 8 mph.
Tuesday Night
A chance of light rain, mainly after 5am. Increasing clouds, with a low around 39. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 30%.
Wednesday
A chance of light rain, mainly after 9am. Patchy fog. Otherwise, cloudy, with a high near 45. Northeast wind 7 to 11 mph. Chance of precipitation is 30%.
Wednesday Night
Rain likely, mainly after midnight. Cloudy, with a low around 42. South wind 6 to 8 mph. Chance of precipitation is 70%.
Thursday
A chance of rain. Mostly cloudy, with a high near 58. West wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow before 10pm. Mostly cloudy, with a low around 25. West wind around 9 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 43. West wind 6 to 9 mph becoming southwest in the afternoon.
Friday Night
A chance of snow between 7pm and 11pm, then rain and snow likely. Mostly cloudy, with a low around 31. South wind around 8 mph. Chance of precipitation is 60%.
Saturday
A chance of rain and snow before 8am, then a chance of snow between 8am and 10am. Mostly sunny, with a high near 45. West wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 27. West wind 5 to 7 mph.
Sunday
A chance of rain and snow. Cloudy, with a high near 48. Southwest wind 5 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 40%.
Sunday Night
Rain likely. Cloudy, with a low around 34. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Monday
Rain likely. Cloudy, with a high near 51. Southwest wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
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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:
10:48 pm EDT Mar 9, 2026
Forecast Valid:
1am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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