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

75°F

24°C

Humidity 74%
Wind Speed S 6 mph
Barometer 29.77 in (1008.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 10 Jun 10:54 pm EDT
Extended Forecast for

Merrimac MA

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, cloudy, with a low around 66. Southwest wind around 6 mph.

    Low: 66 °F

    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly between 4pm and 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 88. Northwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly between 7pm and 8pm. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 82. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 60. Light east wind. Chance of precipitation is 60%.

    Low: 60 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, mainly before 7am. Mostly sunny, with a high near 84. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 86. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 10pm. Mostly cloudy, with a low around 61. Southwest wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, cloudy, with a low around 66. Southwest wind around 6 mph.
Thursday
A chance of showers and thunderstorms, mainly between 4pm and 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 88. Northwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, mainly between 7pm and 8pm. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 82. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 60. Light east wind. Chance of precipitation is 60%.
Saturday
A chance of showers, mainly before 7am. Mostly sunny, with a high near 84. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 60. Calm wind.
Sunday
Mostly sunny, with a high near 86. Calm wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
A chance of showers after 10pm. Mostly cloudy, with a low around 61. Southwest wind 5 to 7 mph. Chance of precipitation is 40%.
Monday
A chance of showers before noon. Partly sunny, with a high near 82. West wind 5 to 7 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 57. Light west wind.
Tuesday
A chance of showers. Partly sunny, with a high near 75. East wind 3 to 6 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 56. Light and variable wind. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 71.01°W (Elev. 135 ft)
Last Update:
7:56 pm EDT Jun 10, 2026
Forecast Valid:
11pm EDT Jun 10, 2026-6pm EDT Jun 17, 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