Current conditions at

Lawrence Municipal Airport (KLWM)

Lat: 42.71°NLon: 71.13°WElev: 135ft.

Fair

21°C

69°F

Humidity 84%
Wind Speed E 9 km/h
Barometer 1020.0 mb (30.12 in)
Dewpoint 18°C (64°F)
Visibility 16 km
Last update 12 Jul 8:54 pm EDT
Extended Forecast for

Merrimac MA

  • Tonight

    Tonight: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 17. Southeast wind 3 to 8 km/h.

    Low: 17 °C

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 27. Light southeast wind increasing to 6 to 11 km/h in the morning.

    High: 27 °C

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 18. Southeast wind 5 to 10 km/h becoming calm  after midnight.

    Low: 18 °C

    Increasing
    Clouds

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 29. South wind 5 to 10 km/h.  Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 29 °C

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 19. Calm wind.  Chance of precipitation is 30%.

    Low: 19 °C

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 33. Calm wind.

    High: 33 °C

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 33. Light west wind becoming south 6 to 11 km/h in the morning.

    High: 33 °C

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. Southwest wind around 8 km/h.

    Low: 22 °C

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 17. Southeast wind 3 to 8 km/h.
Sunday
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 27. Light southeast wind increasing to 6 to 11 km/h in the morning.
Sunday Night
Increasing clouds, with a low around 18. Southeast wind 5 to 10 km/h becoming calm after midnight.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 29. South wind 5 to 10 km/h. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 19. Calm wind. Chance of precipitation is 30%.
Tuesday
Sunny and hot, with a high near 33. Calm wind.
Tuesday Night
Mostly clear, with a low around 21. Calm wind.
Wednesday
Sunny and hot, with a high near 33. Light west wind becoming south 6 to 11 km/h in the morning.
Wednesday Night
Partly cloudy, with a low around 22. Southwest wind around 8 km/h.
Thursday
A chance of showers after 3pm. Mostly sunny and hot, with a high near 33. Southwest wind 8 to 11 km/h. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 21. Southwest wind around 10 km/h. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 29. West wind around 11 km/h becoming south in the afternoon. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 19. South wind 5 to 8 km/h becoming northwest after midnight. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 27. North wind 5 to 8 km/h becoming east in the afternoon. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 70.99°W (Elev. 98 m)
6:14 pm EDT Jul 12, 2025
9pm EDT Jul 12, 2025-6pm EDT Jul 19, 2025
 
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