If the question is about base maps: see update details on the Help control on https://en.mapy.cz (a priori OSM data is updated monthly).
If it is about the weather data (forecast models): click the clock to get the time :o)))
Hello @Amritray, we are away of dispute territories around the world, however, further reports of map errors or territory discussions should be addressed to Open Street Maps. We use their maps and we have no control over them.
If you want, you can even correct it by yourself.
Daily average values computed over such a big areas cannot be pertinent from meteorological pov.
These values are provided by WMO stations (e.g. in SYNOP messages) for the position of that station; they can be then used when computing climatological products (daily, monthly, etc.), conjointly with values provided by neighbor stations at some distance (but not very far away).
Max/min/avg temperature has not any meaning for countries e.g. like USA, which goes from Alaska to Florida...
Downloaded the free trial ? Mmh ...Are you sure you speak about Windy.com app with a red logo? This app is totally free:
Windy for iPhone
Windy for Android
With the right mobile Windy app, in the main menu tick Pressure isolines
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