Merrimack Weather Today
Nashua, United States · Updated Saturday, April 4, 2026 at 1:23 AM ET

58°F
Overcast Clouds
Feels like 58°F · H 60°F / L 56°F
Humidity
83%
Wind
2 mph
SW
Visibility
6 mi
Pressure
1015
hPa
Cloud Cover
100%
Golden Hour · Merrimack Today
Morning Golden Hour
8:42 PM – 9:42 PM
Sunrise 8:52 PM
Evening Golden Hour
8:53 AM – 9:53 AM
Sunset 9:43 AM
Merrimack Weather Right Now
Merrimack weather today is 58°F with overcast clouds. The high will reach 60°F and the low will drop to 56°F. It feels like 58°F outside. Humidity is at 83% with winds from the SW at 2 mph. Visibility is 6 miles with 100% cloud cover and a pressure of 1015 hPa.
5-Day Forecast
Sun, Apr 5
50°F
38°F
Light Rain
Mon, Apr 6
50°F
35°F
Broken Clouds
Tue, Apr 7
44°F
27°F
Light Rain
Wed, Apr 8
47°F
26°F
Clear Sky
About Merrimack Weather
Merrimack between Nashua and Manchester in the Merrimack valley corridor gets valley weather channeling effects.