weather in nashua
Nashua 10 Day Weather. 1  Friday:The Nashua forecast for Apr 14 is 50 degrees and Sunny. There is 52 percentage chance of rain and 7 mph winds from the North-Northwest. 2  Saturday:The Nashua forecast for Apr 15 is 57 degrees and Sunny. There is 34 percentage chance of rain and 7 mph winds from the South-Southwest.