Mercer County UV ForecastUnited StatesOHMercer CountyLow2.8CelinaLow UV, 2.8Low2.8Fort RecoveryLow UV, 2.8Low2.8RockfordLow UV, 2.8Low2.8ColdwaterLow UV, 2.8CarthagenaCelinaChickasawColdwaterEastview ParkFort RecoveryGrand Lake Saint Marys State ParkGrand Lake St Marys SPBHamrick AirportLakefield AirportMaria SteinMendonMercer Wildlife AreaMontezumaMontezuma BayMulholland AirportRockfordSt HenrySt Johns