Change rain probability from mm to %

Configuration
1

I use the weather chart card to forecast the weather for the next few days. However, I would prefer to see the probability of rain displayed as a percentage rather than in mm. Is that possible?

Dominik

2

They’re different things, surely? A percentage is the probability of rain, a value in mm is the forecast amount of rain.

Does your weather integration provide a probability figure? In the UK the Met Office gives:

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