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

78°F

26°C

Humidity 60%
Wind Speed W 8 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 10 Jun 9:54 am EDT
Extended Forecast for

Merrimac MA

  • Today

    Today: Partly sunny, with a high near 88. Southwest wind 5 to 7 mph.

    High: 88 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 67. Southwest wind 3 to 6 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. Light and variable wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 85 °F

    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 61. Light east wind. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 88. Southwest wind 5 to 7 mph.
Tonight
A chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 67. Southwest wind 3 to 6 mph. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. Light and variable wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 79. Calm wind becoming east 5 to 7 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 61. Light east wind. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 61. Calm wind.
Sunday
Mostly sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
A chance of showers after 10pm. Mostly cloudy, with a low around 62. Southwest wind around 6 mph. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 81. West wind 5 to 7 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 58. West wind 3 to 5 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 77. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.81°N 70.99°W (Elev. 151 ft)
Last Update:
4:06 am EDT Jun 10, 2026
Forecast Valid:
10am EDT Jun 10, 2026-6pm EDT Jun 16, 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