Public forecast
Using degrees Fahrenheit for public forecast. Weather courtesy of Meteomatics.
Current aviation weather report (METAR) for Ontario International Airport
2026/08/19 03:53 (retrieved 48 minutes ago)
KONT 190353Z 25008KT 10SM SCT270 28/11 A2990 RMK AO2 SLP108 T02830106
Aviation forecast (TAF) for Ontario International Airport
2026/08/19 00:22 (retrieved 4 hours ago)
TAF KONT 182320Z 1900/2006 26011G18KT P6SM SCT250 FM190500 VRB05KT P6SM SCT250 FM192100 26011G18KT P6SM SCT250 FM200500 VRB05KT P6SM FEW250