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

37°F

3°C

Humidity 93%
Wind Speed Calm
Barometer 29.94 in (1013.9 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 9 Mar 3:54 am EDT
Extended Forecast for

Merrimac MA

  • Today

    Today: Sunny, with a high near 65. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 24 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 37. Southwest wind around 6 mph.

    Low: 37 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain, mainly after 11am. Mostly cloudy, with a high near 51. East wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 51 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly between 1am and 2am. Cloudy, with a low around 42. South wind 6 to 8 mph. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly between 9am and 1pm. Mostly cloudy, with a high near 56. West wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 56 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of snow before 10pm. Partly cloudy, with a low around 24. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Partly sunny, with a high near 42. West wind 6 to 9 mph becoming south in the afternoon.

    High: 42 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 65. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 24 mph.
Tonight
Clear, with a low around 37. Southwest wind around 6 mph.
Tuesday
Sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 37. Calm wind.
Wednesday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 51. East wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
Rain likely, mainly between 1am and 2am. Cloudy, with a low around 42. South wind 6 to 8 mph. Chance of precipitation is 60%.
Thursday
Rain likely, mainly between 9am and 1pm. Mostly cloudy, with a high near 56. West wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Thursday Night
A chance of snow before 10pm. Partly cloudy, with a low around 24. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 42. West wind 6 to 9 mph becoming south in the afternoon.
Friday Night
Rain and snow likely, mainly after 10pm. Mostly cloudy, with a low around 30. South wind around 7 mph. Chance of precipitation is 60%.
Saturday
A chance of snow. Partly sunny, with a high near 45. West wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 25. West wind 5 to 7 mph.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 46. West wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 30%.
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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:
2:49 am EDT Mar 9, 2026
Forecast Valid:
4am EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation