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.

Partly Cloudy

37°F

3°C

Humidity 86%
Wind Speed Calm
Barometer 30.20 in (1022.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 3 Nov 7:54 am EST
Extended Forecast for

Merrimac MA

  • Today

    Today: A chance of rain, mainly after 3pm. Mostly cloudy, with a high near 58. Southwest wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Partly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 41. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain Likely
    then Chance
    Rain

  • Tuesday

    Tuesday: Sunny, with a high near 55. West wind 14 to 17 mph, with gusts as high as 36 mph.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of rain after 4pm. Mostly cloudy, with a high near 56. South wind around 7 mph. Chance of precipitation is 20%.

    High: 56 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly between 9pm and 4am. Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain before 9am. Sunny, with a high near 51. Northwest wind 10 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 51 °F

    Chance Rain
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Northwest wind 3 to 6 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 54. South wind 5 to 8 mph, with gusts as high as 20 mph.

    High: 54 °F

    Partly Sunny

Detailed Forecast

Today
A chance of rain, mainly after 3pm. Mostly cloudy, with a high near 58. Southwest wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 41. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Sunny, with a high near 55. West wind 14 to 17 mph, with gusts as high as 36 mph.
Tuesday Night
Mostly clear, with a low around 37. West wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of rain after 4pm. Mostly cloudy, with a high near 56. South wind around 7 mph. Chance of precipitation is 20%.
Wednesday Night
Rain likely, mainly between 9pm and 4am. Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Thursday
A chance of rain before 9am. Sunny, with a high near 51. Northwest wind 10 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 29. Northwest wind 3 to 6 mph.
Friday
Partly sunny, with a high near 54. South wind 5 to 8 mph, with gusts as high as 20 mph.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 44. Southwest wind around 8 mph. Chance of precipitation is 70%.
Saturday
A chance of rain. Partly sunny, with a high near 58. Southwest wind 7 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 34. Northwest wind 3 to 6 mph.
Sunday
A chance of rain. Partly sunny, with a high near 51. Northwest wind 5 to 7 mph becoming south in the morning. Chance of precipitation is 40%.
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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:
7:56 am EST Nov 3, 2025
Forecast Valid:
8am EST Nov 3, 2025-6pm EST Nov 9, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation