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

71°F

22°C

Humidity 47%
Wind Speed Vrbl 5 mph
Barometer 29.97 in (1015.0 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 26 Jul 9:54 am EDT
Extended Forecast for

Merrimac MA

  • Today

    Today: Sunny, with a high near 74. East wind 3 to 6 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Light and variable wind.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 79. Calm wind becoming east around 6 mph in the afternoon.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Light south wind.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers, mainly after 11am. Partly sunny, with a high near 80. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 61. Southeast wind 3 to 5 mph. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 74. East wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 74 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 59. Northeast wind 6 to 8 mph. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 73. Northeast wind around 8 mph. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 74. East wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 53. Light and variable wind.
Monday
Sunny, with a high near 79. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 59. Light south wind.
Tuesday
A chance of showers, mainly after 11am. Partly sunny, with a high near 80. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 61. Southeast wind 3 to 5 mph. Chance of precipitation is 50%.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 74. East wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 59. Northeast wind 6 to 8 mph. Chance of precipitation is 80%.
Thursday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 73. Northeast wind around 8 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers before 3am. Mostly cloudy, with a low around 60. Light northwest wind. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly sunny, with a high near 78. North wind 3 to 5 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.81°N 70.99°W (Elev. 151 ft)
Last Update:
7:21 am EDT Jul 26, 2026
Forecast Valid:
10am EDT Jul 26, 2026-6pm EDT Aug 1, 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