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.

Overcast

43°F

6°C

Humidity 93%
Wind Speed Calm
Barometer 29.35 in (993.8 mb)
Dewpoint 41°F (5°C)
Visibility 9.00 mi
Last update 15 Jan 5:54 am EST
Extended Forecast for

Merrimac MA

  • Today

    Today: A slight chance of showers before 7am, then a slight chance of showers after 8am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 51. Southwest wind 5 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: A slight chance of rain and snow showers before 8pm, then a slight chance of snow showers between 8pm and 1am. Partly cloudy, with a low around 19. West wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 19 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: Sunny, with a high near 32. West wind 15 to 18 mph, with gusts as high as 31 mph.

    High: 32 °F

    Sunny

  • Friday Night

    Friday Night: A chance of snow, mainly after 3am. Mostly cloudy, with a low around 23. South wind 3 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow likely, mainly between 11am and 3pm. Cloudy, with a high near 38. South wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A slight chance of rain and snow showers before 7pm, then a slight chance of rain showers between 7pm and 8pm. Mostly cloudy, with a low around 28. Light southwest wind. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: A chance of snow after 2pm. Mostly cloudy, with a high near 38. Southwest wind around 6 mph. Chance of precipitation is 40%.

    High: 38 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of snow before 3am. Mostly cloudy, with a low around 22. Northwest wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 22 °F

    Chance Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 32. Southwest wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers before 7am, then a slight chance of showers after 8am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 51. Southwest wind 5 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tonight
A slight chance of rain and snow showers before 8pm, then a slight chance of snow showers between 8pm and 1am. Partly cloudy, with a low around 19. West wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 32. West wind 15 to 18 mph, with gusts as high as 31 mph.
Friday Night
A chance of snow, mainly after 3am. Mostly cloudy, with a low around 23. South wind 3 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
Snow likely, mainly between 11am and 3pm. Cloudy, with a high near 38. South wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
A slight chance of rain and snow showers before 7pm, then a slight chance of rain showers between 7pm and 8pm. Mostly cloudy, with a low around 28. Light southwest wind. Chance of precipitation is 20%.
Sunday
A chance of snow after 2pm. Mostly cloudy, with a high near 38. Southwest wind around 6 mph. Chance of precipitation is 40%.
Sunday Night
A chance of snow before 3am. Mostly cloudy, with a low around 22. Northwest wind 5 to 7 mph. Chance of precipitation is 40%.
M.L.King Day
Mostly sunny, with a high near 32. Southwest wind 6 to 10 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 11. Southwest wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 22. West wind 8 to 11 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 7. West wind around 8 mph.
Wednesday
Mostly sunny, with a high near 21. West wind 8 to 10 mph, with gusts as high as 23 mph.
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 70.99°W (Elev. 98 ft)
Last Update:
5:49 am EST Jan 15, 2026
Forecast Valid:
6am EST Jan 15, 2026-6pm EST Jan 21, 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