Merge pull request #320 from wisscot/temperature_in_weather_fix

bug fix: temperature not showing for certain weather info

many thanks to @wisscot for his contribution!

scripts/weather.sh

@@ -49,8 +49,8 @@ display_weather()
   fi
   weather_information=$(fetch_weather_information $display_weather)
 
-  weather_condition=$(echo $weather_information | rev | cut -d ' ' -f2- | rev) # Sunny, Snow, etc
-  temperature=$(echo $weather_information | rev | cut -d ' ' -f 1 | rev) # +31°C, -3°F, etc
+  weather_condition=$(echo "$weather_information" | awk -F' -?[0-9]' '{print $1}' | xargs) # Extract condition before temperature, e.g. Sunny, Snow, etc
+  temperature=$(echo "$weather_information" | grep -oE '[-+]?[0-9]+°[CF]') # Extract temperature, e.g. +31°C, -3°F, etc
   unicode=$(forecast_unicode $weather_condition)
 
   # Mac Only variant should be transparent on Linux