Weather at Ontario International Airport (ONT)

Ontario, California KONT #53 US airport by passengers

Official aviation observations and forecasts for ONT.

FAA status: No delays reported Updated 6 min ago
Weather now: VFR 67°F Observed 43 min ago
Late departures: 23.0%May 2026 to July 2026
Security line: No recent reportsAdd yours

Current conditions at ONT

VFR

67°F19°C

Good visibility and high cloud base. Normal operations are typical.

Wind: 240° 13 mph, gusts 21
Visibility: 10+ mi
Clouds: SCT 4,300 ft, BKN 5,500 ft
Ceiling: 5,500 ft
Pressure: 29.86 inHg

METARMETAR KONT 012253Z 24011G18KT 10SM SCT043 BKN055 19/10 A2986 RMK AO2 SLP103 T01940100 $

TAFTAF KONT 011906Z 0119/0224 27014KT P6SM BKN035 FM012000 25013G21KT P6SM SCT040 FM020100 25010KT P6SM SCT100 FM020300 VRB04KT P6SM SCT100 FM022100 25007KT P6SM SKC

Source: NOAA Aviation Weather Center. Observed 43 min ago.

Forecast for the ONT area

Today76°F
Sunny
0 to 10 mph SW · 0% rain

Tonight56°F
Mostly Cloudy
0 to 10 mph NW · 0% rain

Thursday74°F
Partly Sunny
0 to 10 mph S · 2% rain

Thursday Night59°F
Mostly Cloudy
0 to 10 mph W · 8% rain

Friday71°F
Partly Sunny
0 to 5 mph SW · 7% rain

Friday Night56°F
Partly Cloudy
0 to 5 mph NW · 6% rain

Saturday70°F
Chance Rain Showers
0 to 5 mph SE · 43% rain

Saturday Night56°F
Rain Showers Likely
0 to 5 mph SE · 60% rain

Source: National Weather Service. Updated 4 d ago.

Runways

Runway	Length	Width	Surface
08L/26R	12,197 ft	150 ft	CON
08R/26L	10,200 ft	150 ft	CON

Source: OurAirports (public domain). Runway data can lag behind construction closures.

Air traffic frequencies

Service	Description	MHz
ATIS	ATIS	124.250
CLD	CLNC DEL	118.100
GND	GND	121.900
TWR	TWR	120.600