This is part of what I see in the Featured Snippet from a Google Search of
weather buenos aires:
And this part of the results from this search:
They do not fully align (but then they are forecasts and it is weather) however should be adequate as far as determining whether
Considering 8 pm:
ESE is conventionally (for meteorologists) the
Wind direction is where the wind is coming from. If the weatherman (or weatherwoman) says that the wind is southwesterly, that means that the wind is blowing FROM the southwest.
This is consistent with most weather vanes:
Image courtesy of Cairomoon.
the head of the arrow or cockerel (or equivalent depending on the chosen design) will indicate the direction from which the wind is blowing.
However, there is also a convention that for one way traffic etc any arrow points in the direction of flow (the
to direction) and Google (IMO very sensibly) have chosen that one. Scope for confusion is indicated (!) here for example.
So, from BA, an arrow this way up
↑ means the wind is blowing towards Paraguay - it's North.