Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  riser(noun) a person who rises (especially from bed) he's usually a late riser. 2  riser, riser pipe, riser pipeline, riser main(noun) a vertical pipe in a building. 3  riser(noun) structural member consisting of the vertical part of a stair or step.
Noblesville Weather - Current Temperature: -12.5 Â°C, Clear, Today's Temperature : -12 / -22 Â°C, Weather in Noblesville Indiana noblesville online us local search
Hourly Forecast Detailed. 1  0am:The Niceville, FL forecast for Apr 15 is 69 degrees and Partly cloudy. There is 81 percentage chance of rain and 3 mph winds from the South-Southeast. 2  3am:The Niceville, FL forecast for Apr 15 is 67 degrees and Clear. There is 73 percentage chance of rain and 8 mph winds from the East.