Is it going to rain today and if so when?
I don't want to know after it starts. I want to know whether those clouds are to be taken seriously or not.
There are two factors there. Altitude and barometric pressure. If altitude remains constant then barometer is more accurate. But if altitude changes then barometer can be off as pressure changes are due to altitude change. This is supposedly where this garmin is supposed to be better than the protrek I linked to.
I'm still making my way through the casio manual. People on reddit have found the barometer accurate. But the altimeter had to be calibrated. I'm not bothered about altitude.
The garmin also has other useful features like health tracking. But you need to gave the strap snug on your wrist. I usually like mine loose. A fingers gap is what I like. In which case no health tracker will work I think.
