Current conditions at

Lawrence Municipal Airport (KLWM)

Lat: 42.71°NLon: 71.13°WElev: 135ft.

Mostly Cloudy

77°F

25°C

Humidity 85%
Wind Speed W 13 G 21 mph
Barometer 29.72 in (1006.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Aug 5:54 pm EDT
Extended Forecast for

Merrimac MA

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm.  Patchy fog before 7pm.  Otherwise, cloudy during the early evening, then gradual clearing, with a low around 59. West wind 7 to 10 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely and
    Patchy Fog
    then Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. West wind around 6 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Light southwest wind.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.

    High: 83 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. Light southwest wind.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Southwest wind 3 to 5 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. Light southwest wind.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88. West wind around 6 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers before 9pm.  Partly cloudy, with a low around 69. Light west wind.  Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Patchy fog before 7pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 59. West wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 84. West wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 60. Light southwest wind.
Wednesday
Partly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64. Light southwest wind.
Thursday
Mostly sunny, with a high near 86. Southwest wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 70. Light southwest wind.
Friday
Mostly sunny, with a high near 88. West wind around 6 mph.
Friday Night
A chance of showers before 9pm. Partly cloudy, with a low around 69. Light west wind. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 86. Light west wind.
Saturday Night
A chance of showers. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%.
Sunday
Sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 68. Southwest wind 3 to 5 mph.
Monday
Sunny, with a high near 87. West wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 71.01°W (Elev. 135 ft)
3:42 pm EDT Aug 3, 2026
6pm EDT Aug 3, 2026-6pm EDT Aug 10, 2026
 
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Additional Resources

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