Hourly Forecast Detailed. 1  0am:The Pottersville, NY forecast for Aug 28 is 60 degrees and Partly cloudy. 2  3am:The Pottersville, NY forecast for Aug 28 is 53 degrees and Clear. 3  6am:The Pottersville, NY forecast for Aug 28 is 51 degrees and Partly cloudy. 4  9am:The Pottersville, NY forecast for Aug 28 is 60 degrees and Sunny.