Update widget_weather.js
Update widget_weather.js

Wunderground add undefined and fog
knowthelist/fhem-tablet-ui,knowthelist/fhem-tablet-ui,viegener/fhem-tablet-ui,roman1528/fhem-tablet-ui,knowthelist/fhem-tablet-ui,viegener/fhem-tablet-ui,knowthelist/fhem-tablet-ui,roman1528/fhem-tablet-ui,viegener/fhem-tablet-ui,roman1528/fhem-tablet-ui,viegener/fhem-tablet-ui,roman1528/fhem-tablet-ui,knowthelist/fhem-tablet-ui