Refers to the direction from which the wind is blowing. Often used in meteorological contexts. Synonymous with 風向き (かざむき) in this sense, but 風向 is more formal and technical.
See also: 風向き
Today's wind direction is northwest.
Observe the wind direction and speed.
風速 tells you how fast the wind is blowing, while 風向 tells you the direction it is blowing from; the two terms are easily confused since they appear together in weather reports.
anemoscope
Compound of 風 (wind) and 向 (direction). The reading ふうこう is the on'yomi of both characters.