The current weather in Merrimac MA as of 11:15 AM EDT on Tue Oct 13th 2026, has a sky condition of Fog / Mist with the visibility of 1 mile(s) and the UV index at 0.2. It is 52 degrees fahrenheit but feels like 50 degrees. The barometric pressure is 30.04 - measured by inches of mercury - and is falling since its last observation. The humidity is 94 percent that's falling since the last report, with a dew point of 51 degrees fahrenheit which is rising. Wind direction is from the East at 6.3 miles per hour, gusting at 15.9 miles per hour. Sunrise was at 6:55 AM and Sunset is at 6:05 PM. The moon phase is a Waxing Crescent moon rising at 10:31 AM.
The current temperature today is 52°F. The morning temperature of 51°F is lowest at 4am with the daytime high of 59°F at 7pm and a low around 52°F at 11am is expected.
Barometric Pressure Today
The highest pressure today is 30.05inHg at 8am and lowest being 29.84inHg at 11pm.
Hourly Wind Speeds
The fastest wind is reported to be 11.6mph at 3am, while the slowest is 0.4mph around 11pm; expect wind gusts peaking 24.4mph at 8pm. View live wind conditions in Merrimac
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