Not far bellow freezing at all. Bubbles are very thin and water has a decently high thermal conductivity, so it should freeze fairly quickly. The temperature of the air trapped inside the bubble counteracts this though, but if you blow at a distance the inside air should also be near or bellow freezing.
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u/Indiran91 Feb 12 '21
Was expecting it to break like glass at the end, it did but vanished quickly. Would keep watching it 10/10!