Abstract: A hand-held device for adapting a time at which to give notice to a user based on a weather forecast and a method thereof are provided, which includes a forecast receiving module connected to a weather forecast station for periodically obtaining the weather forecast, a time adapting module for adapting the noticing time, a parameter setting module for inputting a location weather-type and noticing time adaptation parameter, the location weather-type and noticing time adaptation parameter including a location and adaptation settings corresponding to the location, wherein each of the adaptation settings specifies how to adapt the noticing time according to a weather type, and a matching module for matching the weather forecast in the adaptation settings of the weather-type and noticing time adaptation parameter. The time adapting module is used for adapting the noticing time according to at least one of the adaptation settings corresponding to the weather forecast.