Narragansett Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Narragansett area.

Forecast updated at 11:34 pm EST on Saturday 23 August 2025. Patchy fog in the early morning. Sunny day. Light winds becoming east to southeasterly 15 to 25 km/h in the morning then becoming light in ...