For the sake of completeness I’d say that even on the current day it’s still helpfull to see the forecast with the lowest and highest temp throughout the day.
The reason I revided this thread, though, is: DECIMAL MARKS IN WEATHER MODULES
I saw a lot of Mirrors from German users with typographically wrong decimal marks in the defeault modules Current Weather and Weather Forecast (9.5°C vs 9,5°C).
With the latest update, there’s the possibility to change the decimal mark from the English decimal dot to the German (and other language’s) decimal comma. If you’re not sure what decimal mark your language is using, check this list on Wikipedia.
In the config of currentweather and weatherforecast, just add the line