Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Lawrence Municipal Airport (KLWM)

Lat: 42.71°NLon: 71.13°WElev: 135ft.

Fair

46°F

8°C

Humidity 47%
Wind Speed Calm
Barometer 30.60 in (1036.3 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 18 Oct 10:54 am EDT
Extended Forecast for

Merrimac MA

  • Today

    Today: Sunny, with a high near 54. Calm wind becoming southwest around 5 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog before 9am. Patchy frost before 8am.  Otherwise, mostly sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Patchy Frost
    and Patchy
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Light north wind.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. Northeast wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. Northeast wind 5 to 8 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. Northeast wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. Light north wind.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59. North wind 3 to 5 mph.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 54. Calm wind becoming southwest around 5 mph.
Tonight
Mostly clear, with a low around 35. Light and variable wind.
Monday
Patchy fog before 9am. Patchy frost before 8am. Otherwise, mostly sunny, with a high near 57. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 40. Light north wind.
Tuesday
Partly sunny, with a high near 60. Northeast wind 7 to 9 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 39. Northeast wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 53. Northeast wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 40. Light north wind.
Thursday
Mostly sunny, with a high near 59. North wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 42. Calm wind becoming north around 5 mph after midnight.
Friday
Sunny, with a high near 55. North wind around 8 mph.
Friday Night
Partly cloudy, with a low around 40. North wind around 5 mph.
Saturday
Mostly sunny, with a high near 54. North wind around 6 mph becoming east in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 71.01°W (Elev. 135 ft)
8:09 am EDT Oct 18, 2026
11am EDT Oct 18, 2026-6pm EDT Oct 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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