Current conditions at

Lawrence Municipal Airport (KLWM)

Lat: 42.71°NLon: 71.13°WElev: 135ft.

Fair

70°F

21°C

Humidity 61%
Wind Speed Calm
Barometer 29.94 in (1013.7 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 15 Apr 10:54 am EDT
Extended Forecast for

Merrimac MA

  • Today

    Today: Partly sunny, with a high near 63. East wind 5 to 7 mph.

    High: 63 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then showers likely between 3am and 5am, then showers likely and possibly a thunderstorm after 5am.  Patchy fog.  Otherwise, cloudy, with a low around 47. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 5pm, then a chance of showers and thunderstorms after 5pm.  Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 64. Calm wind becoming east around 6 mph in the afternoon.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 49. Light and variable wind.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 66. North wind 3 to 7 mph.  Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 10pm.  Mostly cloudy, with a low around 45. Northeast wind 3 to 5 mph.  Chance of precipitation is 60%.

    Low: 45 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 57. East wind around 6 mph.

    High: 57 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44. Light east wind.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers.  Mostly cloudy, with a high near 62. South wind 5 to 8 mph.  Chance of precipitation is 50%.

    High: 62 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 63. East wind 5 to 7 mph.
Tonight
A chance of showers and thunderstorms before 3am, then showers likely between 3am and 5am, then showers likely and possibly a thunderstorm after 5am. Patchy fog. Otherwise, cloudy, with a low around 47. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 64. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 40%. 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. Mostly cloudy, with a low around 49. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 66. North wind 3 to 7 mph. Chance of precipitation is 60%.
Friday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 45. Northeast wind 3 to 5 mph. Chance of precipitation is 60%.
Saturday
Mostly cloudy, with a high near 57. East wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 44. Light east wind.
Sunday
A chance of showers. Mostly cloudy, with a high near 62. South wind 5 to 8 mph. Chance of precipitation is 50%.
Sunday Night
A chance of rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 36. West wind around 8 mph. Chance of precipitation is 50%.
Monday
A chance of rain and snow showers. Partly sunny, with a high near 49. West wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 29. West wind around 7 mph.
Tuesday
Sunny, with a high near 54. West wind 7 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 71.01°W (Elev. 135 ft)
10:56 am EDT Apr 15, 2026
11am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
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Additional Resources

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