A　portable　weather　station　which　is　a　special　made　device　could　get　current　weather　data　and　contact　with　the　server　is　proposed.　The　device　could　make　the　weather　forecast　much　more　accuracy　with　the　data　from　the　weather　forecast　and　current　measurement.　The　humility　sensor,　pressure　sensor,　temperature　sensor,　GPS　module　and　GPRS　module　are　included　in　the　device.　With　the　GPRS　network,　the　device　could　connect　to　server　though　the　internet　at　any　time　to　upload　and　download　the　weather　documents.　Also,　government　officials　can　access　the　data　on　the　website　to　manage　the　current　weather　data　and　analysis　the　weather　report　on　the　website.　Furthermore,　this　device　could　offer　weather　forecast　which　meets　the　special　needs　for　the　people　in　the　remote　or　mountain　area.