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

68°F

20°C

Humidity 65%
Wind Speed W 5 mph
Barometer 29.80 in (1009.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 14 Oct 5:54 pm EDT
Extended Forecast for

Merrimac MA

  • Tonight

    Tonight: Mostly clear, with a low around 47. Northwest wind 5 to 8 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60. Northwest wind 3 to 8 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 4am. Increasing clouds, with a low around 43. Calm wind. Chance of precipitation is 30%.

    Low: 43 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, mainly after 7am. Patchy fog before 2pm. High near 63. Southeast wind 5 to 7 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers likely, mainly before midnight. Patchy fog between 8pm and 11pm. Otherwise, cloudy, with a low around 41. West wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    Low: 41 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 48. Northwest wind 13 to 15 mph, with gusts as high as 34 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 10pm. Otherwise, mostly clear, with a low around 31. West wind around 6 mph.

    Low: 31 °F

    Patchy Frost

  • Sunday

    Sunday: Areas of frost before 10am. Otherwise, sunny, with a high near 53. West wind around 6 mph.

    High: 53 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 2am. Otherwise, mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Northwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 60. Northwest wind 3 to 8 mph.
Thursday Night
A chance of showers, mainly after 4am. Increasing clouds, with a low around 43. Calm wind. Chance of precipitation is 30%.
Friday
Showers, mainly after 7am. Patchy fog before 2pm. High near 63. Southeast wind 5 to 7 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, mainly before midnight. Patchy fog between 8pm and 11pm. Otherwise, cloudy, with a low around 41. West wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 48. Northwest wind 13 to 15 mph, with gusts as high as 34 mph.
Saturday Night
Patchy frost after 10pm. Otherwise, mostly clear, with a low around 31. West wind around 6 mph.
Sunday
Areas of frost before 10am. Otherwise, sunny, with a high near 53. West wind around 6 mph.
Sunday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 35. Calm wind.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 62. Southwest wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 41. Southwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 64. Light west wind.
Tuesday Night
Mostly clear, with a low around 40. Calm wind.
Wednesday
Sunny, with a high near 61. Light and variable wind.
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 71.01°W (Elev. 135 ft)
Last Update:
3:18 pm EDT Oct 14, 2026
Forecast Valid:
6pm EDT Oct 14, 2026-6pm EDT Oct 21, 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