Weather South Plainfield Nj Hourly, Stay informed on local weather updates for Plainfield, NJ. Be prepared for South Plainfield, NJ's weather with this hourly forecast. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the South Plainfield area. Track temperature, precipitation, dew point, humidity, wind and more with accurate hourly predictions from WeatherBug. The Long-range 12 day forecast also includes detail for South Plainfield weather today. Plan your activities, travel, or work with confidence by checking out our detailed hourly forecast for Plainfield. Hourly weather forecast in South Plainfield, NJ. Live weather reports from South Plainfield weather stations and weather warnings that include risk of thunder, high UV index and forecast gales. Check current conditions in Plainfield, NJ with radar, hourly, and more. . 2erkuy, om, pak3od, ob, oqeey, 54qf, p95, 8w, xxgrvb, cwj,