Rename weather to forecast

Because it wasn't really weather, it was just a forecast.
Update forecast data

I had put predictions between 0 and 100
Actual predictions between 0 and 1
Fix use of probabilities and align current time

The forecast data is from current time for 60 minutes.
I use getMinute() on JS date object to get minute from forecast data.
Finally, the prob. is needs to be multiplied by 100.