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

Forecast issued at 4:10 pm EST on Friday 25 July 2025. Cloudy. Very high chance of showers, most likely in the morning and afternoon. Winds northerly 15 to 25 km/h becoming light in the evening ...