National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lawrence Municipal Airport (KLWM)

Lat: 42.71°NLon: 71.13°WElev: 135ft.

Fair

48°F

9°C

Humidity 27%
Wind Speed SW 12 mph
Barometer 30.35 in (1027.8 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 29 Mar 6:54 pm EDT
Extended Forecast for

Merrimac MA

  • Tonight

    Tonight: Increasing clouds, with a low around 36. Southwest wind 6 to 8 mph.

    Low: 36 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 66. Southwest wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. Southwest wind 3 to 8 mph.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain. Mostly cloudy, with a high near 53. East wind 5 to 8 mph. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain. Mostly cloudy, with a low around 41. East wind 6 to 9 mph becoming southwest after midnight. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 71. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 71 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 37. Northwest wind around 7 mph becoming north after midnight. Chance of precipitation is 40%.

    Low: 37 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly after noon. Mostly cloudy, with a high near 38. East wind around 8 mph. Chance of precipitation is 60%.

    High: 38 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely before 9pm, then rain likely, possibly mixed with snow between 9pm and 10pm, then rain likely after 10pm. Cloudy, with a low around 33. East wind around 7 mph. Chance of precipitation is 60%.

    Low: 33 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 36. Southwest wind 6 to 8 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 66. Southwest wind 9 to 14 mph, with gusts as high as 28 mph.
Monday Night
Mostly cloudy, with a low around 44. Southwest wind 3 to 8 mph.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 53. East wind 5 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 41. East wind 6 to 9 mph becoming southwest after midnight. Chance of precipitation is 20%.
Wednesday
A chance of rain, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 71. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 37. Northwest wind around 7 mph becoming north after midnight. Chance of precipitation is 40%.
Thursday
Rain likely, mainly after noon. Mostly cloudy, with a high near 38. East wind around 8 mph. Chance of precipitation is 60%.
Thursday Night
Rain likely before 9pm, then rain likely, possibly mixed with snow between 9pm and 10pm, then rain likely after 10pm. Cloudy, with a low around 33. East wind around 7 mph. Chance of precipitation is 60%.
Friday
Rain likely. Cloudy, with a high near 38. East wind 7 to 9 mph. Chance of precipitation is 60%.
Friday Night
Rain likely. Cloudy, with a low around 35. Northeast wind around 7 mph. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 47. East wind 7 to 9 mph. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Cloudy, with a low around 36. East wind around 6 mph. Chance of precipitation is 30%.
Sunday
A chance of rain. Cloudy, with a high near 56. Southeast wind 6 to 9 mph. Chance of precipitation is 50%.
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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:
1:56 pm EDT Mar 29, 2026
Forecast Valid:
7pm EDT Mar 29, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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