Nashua Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Nashua area., Get Nashua, NH current weather report with temperature, feels like, wind, humidity, pressure, UV and more from TheWeatherNetwork.com., NOAA National Weather ServiceA chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 57. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms., Nashua, NH - Weather forecast from Theweather.com. Weather conditions with updates on temperature, humidity, wind speed, snow, pressure, etc. for Nashua, New Hampshire, Get Nashua, NH weather with accurate real-time conditions, 7-day outlooks, and hourly updates. Plan outdoor activities with temperature, precipitation, wind, and severe weather alerts. Your trusted local Nashua weather source since 1999!, Nashua Extended Forecast with high and low temperatures °F Last 2 weeks of weather See weather overview.