Sorry there is already an answer. It is no a bug.
https://community.windy.com/topic/14186/temperature-different-in-satellite-and-temperature-views/2?_=1616049727106

Posts made by marcomaroni
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RE: Unrealeable temperature show
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Unrealeable temperature show
When you click on your favorite location with the satellite view appear a spot with un strange temperature, clearly incorrect.
image url)
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Logo broken
Hi in my tablet samsung S2 tab the logo of windy appears broken. See image below.