I'm a guess about tomorrow that millions of people trust today. When I'm right, nobody thanks me. When I'm wrong, a picnic gets ruined, and I'm often given as a percentage. What am I?
Hint: Think umbrellas.
AnswerThe weather forecastA weather forecast predicts tomorrow's conditions, gets blamed when it's wrong and gives rain chances as percentages.
I'm measured in percent but never graded. I'm strongest at breakfast and weakest by dinner, I refill through a cord, and the colder it gets outside, the faster I give up. What am I?
Hint: Your phone keeps a little icon of me in the corner.
AnswerYour phone batteryA phone battery shows its charge as a percentage, drains through the day, recharges through a cable and runs down faster in cold weather.