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

37°F

3°C

Humidity 82%
Wind Speed S 7 mph
Barometer 30.36 in (1028.1 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 10 Apr 5:54 am EDT
Extended Forecast for

Merrimac MA

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 67. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 67 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Scattered showers, mainly between midnight and 3am. Increasing clouds, with a low around 45. South wind 11 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Saturday

    Saturday: Sunny, with a high near 57. Northwest wind 14 to 18 mph, with gusts as high as 30 mph.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. Northwest wind 5 to 9 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 55. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly between 11pm and 2am. Cloudy, with a low around 42. South wind 6 to 8 mph. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 10am, then a chance of showers after 2pm. Mostly cloudy, with a high near 68. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. West wind 6 to 8 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. West wind around 6 mph becoming south in the afternoon.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 67. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Tonight
Scattered showers, mainly between midnight and 3am. Increasing clouds, with a low around 45. South wind 11 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 57. Northwest wind 14 to 18 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 33. Northwest wind 5 to 9 mph.
Sunday
Mostly sunny, with a high near 55. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunday Night
Showers likely, mainly between 11pm and 2am. Cloudy, with a low around 42. South wind 6 to 8 mph. Chance of precipitation is 60%.
Monday
A chance of showers before 10am, then a chance of showers after 2pm. Mostly cloudy, with a high near 68. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 56. West wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 75. West wind around 6 mph becoming south in the afternoon.
Tuesday Night
A chance of showers after 7pm. Mostly cloudy, with a low around 52. South wind around 5 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 71. South wind 5 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54. South wind around 6 mph. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 72. West wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 71.01°W (Elev. 135 ft)
Last Update:
6:32 am EDT Apr 10, 2026
Forecast Valid:
6am EDT Apr 10, 2026-6pm EDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation