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Comic strip of a ghost and a person with the American flag pasted on the head. The ghost repeats "Boo!" in the first three panels without getting any reaction, but when it in the fourth panel says "kg, cm, km, °C" the American gets scared and screams "AHHHH!!!".
Edit: fixed alt text
82.4°f is pretty decent weather. Unlivable is more like 100°f+, hence the "100% hot" scale. Nice weather would be 75°f, which makes sense when you think of it in terms of the "0-100% hot" scale.
I agree that other things like distance, volume, etc are better in metric. I really wish the US would just standardize metric UOM in general. But I do think fahrenheit is better for temperature.