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.

Fog/Mist

47°F

8°C

Humidity 100%
Wind Speed SW 6 mph
Barometer 29.68 in (1005.2 mb)
Dewpoint 47°F (8°C)
Visibility 0.75 mi
Wind Chill44°F (7°C)
Last update 8 Mar 5:54 am EDT
Extended Forecast for

Merrimac MA

  • Today

    Today: A chance of rain, mainly before 8am. Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 57. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 57 °F

    Chance Rain
    and Patchy
    Fog then
    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Southwest wind around 6 mph.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 63. Southwest wind 5 to 9 mph, with gusts as high as 22 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32. Southwest wind 5 to 7 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64. Southwest wind 3 to 6 mph.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. Light southwest wind.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55. East wind 6 to 8 mph.

    High: 55 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain after 9pm. Cloudy, with a low around 41. South wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly after 10am. Cloudy, with a high near 59. South wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    High: 59 °F

    Rain Likely

Detailed Forecast

Today
A chance of rain, mainly before 8am. Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 57. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 34. Southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 63. Southwest wind 5 to 9 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 32. Southwest wind 5 to 7 mph.
Tuesday
Sunny, with a high near 64. Southwest wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 39. Light southwest wind.
Wednesday
Mostly cloudy, with a high near 55. East wind 6 to 8 mph.
Wednesday Night
A chance of rain after 9pm. Cloudy, with a low around 41. South wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
Rain likely, mainly after 10am. Cloudy, with a high near 59. South wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Thursday Night
A chance of rain before 9pm, then a chance of snow between 9pm and 1am. Partly cloudy, with a low around 23. West wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 43. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Southwest wind around 9 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 48. West wind around 11 mph, with gusts as high as 23 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:
3:08 am EDT Mar 8, 2026
Forecast Valid:
6am EDT Mar 8, 2026-6pm EDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation