Sorry for the delay in replying…too much going on around Christmas and New Year!
Do you know what $DIR_PATH is set to in the GoWeather.sh script and does it point to the directory that contains the weatherdisplay executable?
Has the weatherdisplay executable got the ‘x’ bit set for the user you’re running the script as?
I don’t know what the GoWeather.sh script does in total, but if you ‘cd’ into the directory containing the weatherdisplay executable and do ‘sudo ./weatherdisplay’ does that change anything?