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.

Overcast

55°F

13°C

Humidity 45%
Wind Speed SW 6 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 11 Apr 1:54 am EDT
Extended Forecast for

Merrimac MA

  • Overnight

    Overnight: Scattered showers. Mostly cloudy, with a low around 45. West wind around 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Scattered
    Showers

  • Saturday

    Saturday: Sunny, with a high near 56. Northwest wind 14 to 18 mph, with gusts as high as 34 mph.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 33. Northwest wind 6 to 10 mph.

    Low: 33 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 54. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.

    High: 54 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers likely, mainly after 11pm. Cloudy, with a low around 40. South wind around 7 mph. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 66. Southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 56. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. West wind 5 to 7 mph becoming southeast in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 49. Southeast wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 45. West wind around 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 56. Northwest wind 14 to 18 mph, with gusts as high as 34 mph.
Saturday Night
Clear, with a low around 33. Northwest wind 6 to 10 mph.
Sunday
Increasing clouds, with a high near 54. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
Showers likely, mainly after 11pm. Cloudy, with a low around 40. South wind around 7 mph. Chance of precipitation is 60%.
Monday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 66. Southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 56. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 72. West wind 5 to 7 mph becoming southeast in the afternoon.
Tuesday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 49. Southeast wind 3 to 5 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers before 9am. Mostly cloudy, with a high near 70. South wind 5 to 7 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 53. South wind around 6 mph. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 72. West wind 6 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 48. West wind 3 to 5 mph.
Friday
Partly sunny, with a high near 67. Light and variable wind becoming south 5 to 7 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 71.01°W (Elev. 135 ft)
Last Update:
12:31 am EDT Apr 11, 2026
Forecast Valid:
2am EDT Apr 11, 2026-6pm EDT Apr 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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