Current Weather
Raw METAR
Weather Briefing
VFROntario International Airport is currently reporting visual flight rules (VFR) conditions with clear skies and 10 SM visibility. Note: This observation is 1 hours old and conditions may have changed.
Wind Analysis
Winds are from the west-southwest (250°) at 5 knots. Runway 26 is favored with a 5-knot headwind and 1-knot crosswind component.
Visibility & Ceiling
Visibility is 10 SM. Skies are clear with unlimited ceiling.
Temperature & Moisture
Temperature is 16°C (61°F) with a dewpoint of 12°C. The narrow temperature-dewpoint spread suggests high humidity and potential for visibility restrictions, especially during cooling periods.
Forecast Outlook
The TAF forecast covers the next 30 hours. The forecast shows a transition between VFR and IFR conditions. Pilots should monitor the forecast closely and have an alternate airport plan. Expected weather includes: Mist, Haze.
Pilot Recommendations
Conditions are favorable for visual flight. The forecast indicates conditions may deteriorate. Ensure you have fuel reserves and a viable alternate airport.
This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.
Forecast (TAF)
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Airport Runway Layout
Runway Information
| Runway | Length | Width | Surface | Heading | Wind Component |
|---|---|---|---|---|---|
|
✈️ 08L/26R
Active: 26R
|
12,198 ft | 150 ft | CON | 90° |
↑ 4.9 kt
•
↔ 0.9 kt
10° angle
|
|
✈️ 08R/26L
Active: 26L
|
10,200 ft | 150 ft | CON | 90° |
↑ 4.9 kt
•
↔ 0.9 kt
10° angle
|
Weather Statistics - KONT
6,313 observations | Sep 2025 - May 2026Flight Rules Distribution
Ontario International Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 82.8% of the time. Prevailing winds are from the W averaging 6.4 knots. Calm conditions occur 31.8% of the time. Temperature extremes range from 3°C to 37°C, reflecting significant seasonal variation. The best months for VFR flying are March, April, February.
Wind Analysis
Temperature Range
Visibility
Best Months for VFR
Runway Wind Analysis
Statistics computed from 6,313 METAR observations (Sep 2025 - May 2026). Data sourced from official aviation weather services. Updated daily.
Ontario International Airport - Airport Information
Airport Details
Location
Runway Information
Flight Planning Tools
Nearby Airports
About Ontario International Airport
Overview
Ontario International Airport serves the Greater Los Angeles metropolitan area, positioned in San Bernardino County, California. As a large airport situated at 944 feet above mean sea level, KONT provides critical commercial and cargo aviation services for the Inland Empire region. The airport's strategic location and substantial runway infrastructure make it a significant transportation hub in Southern California.
Flying Conditions
Southern California's climate offers generally stable weather conditions with minimal precipitation and consistent visibility. Pilots can expect moderate temperature variations and typically clear skies, though occasional marine layer influences from coastal systems can impact morning visibility. The airport's elevation at 944 feet MSL provides relatively straightforward atmospheric conditions for most flight operations.
Notable Features
The airport features two substantial concrete runways: 08L/26R at 12,198 feet and 08R/26L at 10,200 feet, providing extensive operational flexibility for various aircraft types. Its geographic positioning near the San Gabriel and San Bernardino mountain ranges presents potential wind gradient and terrain interaction considerations for approaching and departing aircraft. The airport's coordinate location at 34.056000, -117.600998 places it within a complex regional airspace system.
Approach Considerations
Runway orientations of 08/26 suggest predominant west-southwest wind patterns typical of the region. Pilots should anticipate potential crosswind conditions, particularly during seasonal transition periods. The substantial runway lengths accommodate a wide range of aircraft, from regional commuters to larger commercial and cargo platforms, enabling versatile approach and departure strategies.
Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.
Learn More
Recommended guides based on current conditions at KONT
Official Data Sources
Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.