Current conditions at

Lawrence Municipal Airport (KLWM)

Lat: 42.71°NLon: 71.13°WElev: 135ft.

Fair

83°F

28°C

Humidity 37%
Wind Speed N 8 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 21 Jun 4:54 pm EDT
Extended Forecast for

Merrimac MA

Extreme Heat Warning June 22, 11:00am until June 24, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Tonight

    Tonight: Mostly cloudy, with a low around 65. South wind 5 to 8 mph becoming calm.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly before 10am.  Partly sunny and hot, with a high near 94. Heat index values as high as 98. West wind 10 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. West wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Light and variable wind becoming southwest around 5 mph after midnight.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. West wind 5 to 7 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. West wind around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. North wind 5 to 7 mph becoming east in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after 4am.  Mostly cloudy, with a low around 62. Calm wind.  Chance of precipitation is 30%.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 65. South wind 5 to 8 mph becoming calm.
Sunday
A chance of showers and thunderstorms, mainly before 10am. Partly sunny and hot, with a high near 94. Heat index values as high as 98. West wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 89. Calm wind becoming southeast around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 73. Light and variable wind becoming southwest around 5 mph after midnight.
Tuesday
Sunny and hot, with a high near 100. West wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 74. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 85. North wind 5 to 7 mph becoming east in the afternoon.
Wednesday Night
A chance of showers after 4am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%.
Thursday
A chance of showers before 7am, then a chance of showers after 2pm. Partly sunny, with a high near 71. East wind around 6 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 60. East wind 3 to 5 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 70. East wind around 7 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 59. Southeast wind 3 to 6 mph. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 71. Southeast wind 6 to 8 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 70.99°W (Elev. 98 ft)
5:23 pm EDT Jun 21, 2025
5pm EDT Jun 21, 2025-6pm EDT Jun 28, 2025
 
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Additional Resources

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