From the Spaceflight Meteorology Group:

A Wind Advisory remains in effect for JSC and vicinity until 7PM thie evening. JSC Building 30 has recorded several gusts over 50 mph this afternoon.  Ellington Field has measured peak gusts of 46 mph this afternoon.

Winds will diminish greatly after sunset today.  Another breezy day, not as bad as today, is in store for tomorrow shortly after sunrise with 15 to 25 mph average winds with a few gusts over 30 mph likely.