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ONT - Ontario International Airport Current Conditions
Current Weather Forecast
03-Sep-2026
Sunny. Highs 83 to 88. Areas of winds south to 10 mph becoming southwest with gusts to 25 mph this afternoon.
Mostly clear. Patchy fog overnight. Lows 52 to 59. Areas of winds southwest 10 to 15 mph with gusts to 25 mph in the evening becoming light.
03-Sep-2026
Mostly clear. Patchy fog overnight. Lows 52 to 59. Areas of winds southwest 10 to 15 mph with gusts to 25 mph in the evening becoming light.
Sunny. Highs 84 to 89. Light winds becoming southwest 10 to 15 mph with gusts to 25 mph in the afternoon.
03-Sep-2026
Sunny. Highs 84 to 89. Light winds becoming southwest 10 to 15 mph with gusts to 25 mph in the afternoon.
Mostly clear. Lows 58 to 62. Areas of winds west 10 to 15 mph in the evening becoming light.
03-Sep-2026
Mostly clear. Lows 58 to 62. Areas of winds west 10 to 15 mph in the evening becoming light.
Mostly sunny in the morning...becoming partly cloudy. Highs 87 to 93. Light winds becoming southwest 10 mph in the afternoon.
03-Sep-2026
Mostly sunny in the morning...becoming partly cloudy. Highs 87 to 93. Light winds becoming southwest 10 mph in the afternoon.
Partly cloudy with a slight chance of showers. Lows 64 to 68.
03-Sep-2026
Partly cloudy with a slight chance of showers. Lows 64 to 68.
Partly cloudy in the morning...becoming mostly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs 84 to 91.
03-Sep-2026
Partly cloudy in the morning...becoming mostly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs 84 to 91.
Partly cloudy with a slight chance of showers. Lows 62 to 67.
03-Sep-2026
Partly cloudy with a slight chance of showers. Lows 62 to 67.
Partly cloudy with a slight chance of showers. Highs 87 to 93.
03-Sep-2026
Partly cloudy with a slight chance of showers. Highs 87 to 93.
Partly cloudy with a slight chance of showers. Lows 62 to 67.
03-Sep-2026
Partly cloudy with a slight chance of showers. Lows 62 to 67.
Partly cloudy with a slight chance of showers. Highs 88 to 94.
03-Sep-2026
Partly cloudy with a slight chance of showers. Highs 88 to 94.
Mostly clear. A slight chance of showers in the evening. Lows 63 to 68.
03-Sep-2026
Mostly clear. A slight chance of showers in the evening. Lows 63 to 68.
Mostly sunny. Highs 89 to 94.