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.

Mostly Cloudy

57°F

14°C

Humidity 78%
Wind Speed NE 13 G 21 mph
Barometer 30.58 in (1035.7 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 23 Sep 9:54 am EDT
Extended Forecast for

Merrimac MA

  • Today

    Today: Sunny, with a high near 61. Northeast wind around 14 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 43. North wind around 6 mph.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 62. Northeast wind 8 to 14 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45. North wind 3 to 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers after 2pm. Mostly cloudy, with a high near 64. Northeast wind 9 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Cloudy, with a low around 50. North wind 9 to 14 mph. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 61. North wind around 14 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.

    High: 61 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 50. North wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 60. North wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.

    High: 60 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 61. Northeast wind around 14 mph.
Tonight
Clear, with a low around 43. North wind around 6 mph.
Thursday
Sunny, with a high near 62. Northeast wind 8 to 14 mph.
Thursday Night
Mostly cloudy, with a low around 45. North wind 3 to 6 mph.
Friday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 64. Northeast wind 9 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers. Cloudy, with a low around 50. North wind 9 to 14 mph. Chance of precipitation is 50%.
Saturday
Showers likely. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 61. North wind around 14 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 50. North wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Sunday
Showers likely. Mostly cloudy, with a high near 60. North wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely, mainly before 3am. Mostly cloudy, with a low around 49. North wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Monday
A chance of showers. Mostly cloudy, with a high near 62. North wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 49. Light north wind.
Tuesday
Mostly sunny, with a high near 67. Light northeast wind.
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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:
9:53 am EDT Sep 23, 2026
Forecast Valid:
10am EDT Sep 23, 2026-6pm EDT Sep 29, 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