Here is a slideshow from photos taken of weather conditions at Watchung Lake on Labor Day Afternoon 2014. On this day, there were plenty of cumulus clouds, but no showers or storms. It remained warm and humid, but not as much as it was the day before. High temperature at Watchung Lake was 88 while at GWC in South Plainfield, the mercury climbed to 89 degrees with a peak dew point of 75 for a top heat index of 98 degrees.