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

36°F

2°C

Humidity 86%
Wind Speed W 9 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 19 Apr 10:54 pm EDT
Extended Forecast for

Merrimac MA

  • Tonight

    Tonight: Clear, with a low around 32. West wind 5 to 7 mph.

    Low: 32 °F

    Clear

  • Monday

    Monday: A slight chance of showers after 2pm. Increasing clouds, with a high near 49. West wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 49 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. North wind around 6 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Light and variable wind becoming southeast around 5 mph in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 34. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51. South wind 5 to 7 mph.

    High: 51 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. Light and variable wind.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 59. Northwest wind 5 to 7 mph.

    High: 59 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. North wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 32. West wind 5 to 7 mph.
Monday
A slight chance of showers after 2pm. Increasing clouds, with a high near 49. West wind 5 to 7 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 30. North wind around 6 mph.
Tuesday
Mostly sunny, with a high near 48. Light and variable wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 34. South wind around 5 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 51. South wind 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 37. Light and variable wind.
Thursday
Partly sunny, with a high near 59. Northwest wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 38. North wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 57. Light and variable wind becoming northeast around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 38. Light and variable wind.
Saturday
A chance of showers. Partly sunny, with a high near 56. East wind 3 to 7 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 41. Light and variable wind. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 56. Light and variable wind becoming east around 6 mph in the morning. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 71.01°W (Elev. 135 ft)
Last Update:
9:56 pm EDT Apr 19, 2026
Forecast Valid:
11pm EDT Apr 19, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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