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
Top Weather Forecast Regions. Woodinville 5-Day Forecast. Woodinville 5 day forecast with weather outlook providing day and night summary including precipitation, high and low temperatures presented in Fahrenheit and Celsius, sky conditions, rain chance, sunrise, sunset, wind chill, and wind speed with direction.