temperatures in the low 50s.
After Upton grounded into an inning-ending double play with runners at the corners in the Atlanta ninth, the Braves won it in the 10th.
Freeman, who homered Friday night before the rain came, drew a leadoff walk from Brandon Lyon (1-2) and took third on a double by McCann.
Uggla, who hit a late home run the previous night at Citi Field, followed with his tiebreaking single. B.J. Upton later squeezed home pinch-runner Jordan Schafer.
Anthony Varvaro (2-0) pitched a scoreless ninth. He worked the eighth a day earlier and gave up two runs that made it 5-all.
Craig Kimbrel escaped a two-on, no-out jam in the 10th for his 15th save in 18 tries.
The Braves' previous suspended game was April 5, 1997, against the Cubs — it was the second game ever played at Turner Field and was stopped because of rain in the seventh inning. Atlanta won the resumption the next day.
The Mets lost in their first suspended game since Aug. 6, 1986, when the second game of a doubleheader against the Cubs was halted after the seventh for darkness — Wrigley Field didn't have lights then. The Mets won the completion the next day.