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

59°F

15°C

Humidity 87%
Wind Speed NE 13 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Apr 11:54 am EDT
Extended Forecast for

Merrimac MA

  • This Afternoon

    This Afternoon: A slight chance of rain before 2pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 62. East wind around 7 mph. Chance of precipitation is 20%.

    High: 62 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tonight

    Tonight: Patchy fog between 11pm and midnight. Otherwise, increasing clouds, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog
    then Partly
    Cloudy

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 52. East wind 6 to 8 mph.

    High: 52 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A slight chance of showers after 3am. Cloudy, with a low around 42. Light and variable wind. Chance of precipitation is 20%.

    Low: 42 °F

    Cloudy then
    Slight Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 10am. High near 55. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 80%.

    High: 55 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 34. West wind around 7 mph. Chance of precipitation is 80%.

    Low: 34 °F

    Showers then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 49. West wind around 9 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. Northwest wind around 6 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50. Northwest wind 5 to 7 mph becoming south in the afternoon.

    High: 50 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of rain before 2pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 62. East wind around 7 mph. Chance of precipitation is 20%.
Tonight
Patchy fog between 11pm and midnight. Otherwise, increasing clouds, with a low around 45. Calm wind.
Saturday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 52. East wind 6 to 8 mph.
Saturday Night
A slight chance of showers after 3am. Cloudy, with a low around 42. Light and variable wind. Chance of precipitation is 20%.
Sunday
Showers, mainly after 10am. High near 55. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 80%.
Sunday Night
Showers, mainly before 8pm. Low around 34. West wind around 7 mph. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 49. West wind around 9 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 28. Northwest wind around 6 mph.
Tuesday
Sunny, with a high near 50. Northwest wind 5 to 7 mph becoming south in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 38. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 59. West wind around 7 mph.
Wednesday Night
Partly cloudy, with a low around 39. Northwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 60. Northwest wind around 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 70.99°W (Elev. 98 ft)
Last Update:
5:24 am EDT Apr 17, 2026
Forecast Valid:
12pm EDT Apr 17, 2026-6pm EDT Apr 23, 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