What is today's weather forecast for Merrimac, MA?

Today's forecast for Merrimac shows a high of 46 degrees and a low of 30 degrees Fahrenheit. Partly sunny, then gradually becoming sunny, with a high near 46.

What is the 7-day weather forecast for Merrimac, MA?

The 7-day forecast for Merrimac shows highs from 39 to 58 degrees and lows from 23 to 40 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Merrimac, MA this week?

Yes, rain is possible in Merrimac this week. Precipitation chances: Tuesday (90% chance), Wednesday (70% chance), Sunday (30% chance).

How accurate is the Merrimac weather forecast?

WeatherForYou provides highly accurate Merrimac forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Merrimac, MA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

31°F
Feels Like 31°F

Humidity 99% Dew Point 31°F Wind W 1 MPH Gusts 6 Barometer N/A

Report from a MADIS/MESONET weather station 0.8 mi. SW of central Merrimac
at 6:25 AM Mon, Nov 24, 2025

Point Forecast at a Glance

MonNov 24

TueNov 25

WedNov 26

70%

ThuNov 27

FriNov 28

SatNov 29

SunNov 30

30%

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 39°F to 58°F. Some rain possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 4°F below the historical average for November. Normal highs for this period are around 50°F with lows around 31°F.

This Date in Weather History

1812 - Southwesterly winds of hurricane force sank ships and unroofed buildings at Philadelphia and New York City.

Merrimac, MA 7 Day Weather Forecast Details

Monday Nov 24

Day: Partly sunny, then gradually becoming sunny, with a high near 46. Light northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 22 mph.

Night: Increasing clouds, with a low around 30. Calm wind becoming southwest around 6 mph after midnight.

Tuesday Nov 25

Day: Mostly cloudy, with a high near 49. Southwest wind around 7 mph.

Night: Rain, mainly after 8pm. Patchy fog after 8pm. Low around 40. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Nov 26

Day: Rain likely, mainly before 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 58. South wind around 6 mph. Chance of precipitation is 70%.

Night: A chance of rain, mainly before 4am. Mostly cloudy, with a low around 37. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 50%.

Thursday Nov 27

Day: Mostly sunny, with a high near 46. West wind 11 to 14 mph, with gusts as high as 26 mph.

Night: Partly cloudy, with a low around 29. Southwest wind 11 to 13 mph, with gusts as high as 24 mph.

Friday Nov 28

Day: Mostly sunny, with a high near 41. West wind 13 to 16 mph, with gusts as high as 31 mph.

Night: Partly cloudy, with a low around 26. West wind 8 to 10 mph, with gusts as high as 20 mph.

Saturday Nov 29

Day: Sunny, with a high near 39. West wind 8 to 10 mph, with gusts as high as 21 mph.

Night: Mostly cloudy, with a low around 23. West wind 3 to 5 mph.

Sunday Nov 30

Day: A chance of rain. Mostly cloudy, with a high near 42. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.

About Merrimac, MA

Merrimac is a small town in Essex County, Massachusetts, United States, located on the southeastern border of New Hampshire, approximately 34 miles (55 km) northeast of Boston and 10 miles (16 km) west of the Atlantic Ocean. It was incorporated on April 11, 1876. It is situated along the north bank of the Merrimack River in the Merrimack Valley. The population was 6,723 at the 2020 census. Historically a mill town, it has long since become a largely residential community. It is part of the Greater Boston metropolitan area.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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