The weather in New York is beautiful recently. It crossed my mind to daven outside in the glory of HaShem's beautiful Creation.
Is it permissible to daven outdoors?
Nevertheless, Shulchan Aruch forbids davening in:
It is favorable to daven in a place designated for davening or for learning Torah. But, there is nothing wrong with impromptu davening outdoors (especially if a minyan is present).