WxDecoder

KONT/ONT METAR & TAF Ontario International Airport

Ontario, CaliforniaElevation 944 ftLarge airport
CURRENT STATUS
VFR28 min old
No ceiling, visibility 10 SM.
FLIGHT CATEGORY
VFR
ceiling & visibility
WIND
250@3
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
DENSITY ALT
1,956 ft
+1,012 ft vs field
CURRENT METAR

Decoded observation

Observed 1853Z (11:53 AM local) · 28 min old

KONT is currently VFR. Winds are from the west at 3 knots. Visibility is 10 statute miles. There is no ceiling.

WIND
250° at 3 kt
Steady.
VISIBILITY
10 statute miles
16.1 km, good.
CEILING & SKY
FEW250
FEW and SCT layers are not ceilings.
TEMP / DEWPOINT
23°C / 9°C
73°F / 48°F. 14°C spread.
ALTIMETER
30.08 inHg
1018.6 hPa, above standard.
WEATHER & HAZARDS
No significant hazards
No precipitation or obscuration reported.

Codes in this report: FEW RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED
AO2
automated station with a precipitation discriminator (can tell rain from snow)
SLP174
sea-level pressure 1017.4 hPa
T02330089
precise temperature 23.3°C, dew point 8.9°C
TERMINAL AERODROME FORECAST

TAF timeline

Issued 1720Z (10:20 AM local) · valid to 0000Z (5:00 PM local)

KONT forecast starts VFR at 18Z. Conditions are roughly steady over the period.

VFR
VFR
VFR
VFR
1800Z11:00 AM0000Z5:00 PM0600Z11:00 PM1200Z5:00 AM1800Z11:00 AM0000Z5:00 PM

Codes in this report: P6SM SKC FEW

Tap any group to decode it.

FAA: no delays reported at ONT.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No significant weather concerns in the current report.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind from 250° at 3 kt, visibility 10 SM, ceiling none. Forecast suggests this afternoon sunny, high near 80F, low near 59F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Sunny 80/59 SW 9 kt – 0%
Monday Sunny 79/56 S 9 kt – 0%
Tuesday Sunny 75/56 SE 4 kt – 0%
Wednesday Mostly Sunny 75/57 NE 4 kt – 1%
Thursday Mostly Cloudy 71/58 S 4 kt – 14%
Friday Slight Chance Rain Showers 68/56 SW 9 kt – 20%
Saturday Slight Chance Rain Showers 66/55 S 4 kt – 58%

Source: National Weather Service (office SGX). Forecast issued 1920Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
2 runways · crosswind ranking
ON-FIELD METAR
NESW08L26R08R26L 250°250°3 kt250°250° 3250°
READING THE BARB · SWIPE FOR MORE →
Calm
5 kt
10 kt
15 kt
20 kt
25 kt
30 kt
35 kt
40 kt
45 kt
50 kt
65 kt
75 kt
100 kt
105 kt
Half feather = 5 kt, full = 10 kt, filled pennant = 50 kt; add them up. The staff points the direction the wind blows from.
WIND USED
250° at 3 kt
Components computed from the current on-field METAR wind.
RECOMMENDED
RWY 26R3 kt headwind · 1 kt crosswind
RUNWAYS BY WIND · best end
26R
HEAD
3 kt
CROSS
1 kt L
BEST
26L
HEAD
3 kt
CROSS
1 kt L
OK
08L
HEAD
3 kt tail
CROSS
1 kt R
OK
08R
HEAD
3 kt tail
CROSS
1 kt R
OK
Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.
RUNWAYS

Runway detail & declared distances

2 runways · longest 12,197 ft

08L/26R
Dimensions
12,197 x 150 ft
Surface
Concrete (good)
Edge lights
HIGH
RWY 08L90°T
Landing length (LDA)11,200 ft
TORA / TODA / ASDA12,197 / 12,197 / 12,197 ft
Displaced threshold997 ft
ILSILS
Approach lightsMALSR
VGSIPAPI (P4L)
RWY 26R270°T
Landing length (LDA)12,197 ft
TORA / TODA / ASDA12,197 / 12,197 / 12,197 ft
ILSILS/DME
Approach lightsALSF2
VGSIPAPI (P4L)
Traffic patternRight
08R/26L
Dimensions
10,200 x 150 ft
Surface
Concrete (good)
Edge lights
HIGH
RWY 08R90°T
Landing length (LDA)10,200 ft
TORA / TODA / ASDA10,200 / 10,200 / 10,200 ft
VGSIPAPI (P4L)
Traffic patternRight
RWY 26L270°T
Landing length (LDA)10,200 ft
TORA / TODA / ASDA10,200 / 10,200 / 10,200 ft
ILSILS/DME
Approach lightsALSF2
VGSIPAPI (P4R)
Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude
1,956 ft
Pressure altitude
784 ft
Field elevation
944 ft MSL
Temperature
23°C (73°F)
Dewpoint
9°C (48°F)
Altimeter
30.08 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0104Z 6:04 PM
Sunrise
1404Z 7:04 AM
Loggable night
0130Z (6:30 PM local) → 1339Z (6:39 AM local)
end of evening to start of morning civil twilight
Position lights required
0104Z (6:04 PM local) → 1404Z (7:04 AM local)
sunset to sunrise (91.209)
Night passenger currency
0204Z (7:04 PM local) → 1304Z (6:04 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Ontario International Airport is in Ontario, California. Field elevation 944 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeLarge airport
Airline serviceYes
ManagerATIF ELKADI
Manager phone909-544-5300
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATAKONT / ONT
SectionalLOS ANGELES
Center (ARTCC)LOS ANGELES
Flight service (AFSS)RIVERSIDE
RegionCalifornia
CountryUnited States
Coordinates34.0560, -117.6010
Distance from city2 NM E
SERVICES & LIGHTING
Fuel100LL · Jet A
Control towerTowered
BeaconSunset to sunrise · White-green (lighted land airport)
FREQUENCIES

Communications

119.65
SOCAL APP/DEP
A/D
124.25
ATIS
ATIS
118.1
CLNC DEL
CLD
121.9
GND
GND
120.6
TWR
TWR

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

KONT traffic patterns

2026-06-12 to 2026-10-23, 70 days observed · data 2026-10-23

High confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
147.6
AVG OPS/DAY
158.7
Activity trend over 18 days: falling, from 185 to 173 operations per dayOperations trend (18 days)

Busiest day: Tue · Busiest month: Jul

FLEET MIX
Airliner 87%Turboprop 4%Unknown 3%Piston single 3%Jet 2%

Mostly airliner-class aircraft.

TOP AIRCRAFT TYPES
›B763 (Airliner) · ~642 landings/mo
›B38M (Airliner) · ~324 landings/mo
›B738 (Airliner) · ~262 landings/mo
›B737 (Airliner) · ~257 landings/mo
›A321 (Airliner) · ~230 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly turboprop aircraft.

›C208 (Turboprop)
›C172 (Piston single)
›P28A (Piston single)
›BE99 (Unknown)
›C750 (Unknown)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

KCNO Chino Airport
5 NM S
VFR
KCCB Upland-Cable Airport
5 NM NW
VFR
KPOC Brackett Field
9 NM W
VFR
KRAL Riverside Municipal Airport
10 NM SE
VFR
KSBD San Bernardino International Airport
18 NM E
VFR
KRIV March Air Reserve Base
20 NM SE
VFR
AIRPORT REMARKS

Operational remarks

›NOISE ABATEMENT PROCEDURES IN EFFECT; FULL-LENGTH TURBOJET DEP ENCOURAGED, NIGHTLY PREFERENTIAL RWY USAGE, 2200-0700.
›TWY F SOUTH OF TWY S RSTRD TO ACFT WITH 117 FT WINGSPAN AND SMALLER. TWY F SOUTH OF RWY 26L RSTRD TO ACFT WITH 180 FT WINGSPAN.
›PCR VALUE: 580/R/A/W/T
›WILDLIFE HAZARD MGT PLAN IN EFFECT; POTENTIAL BIRD HAZARDS MAY EXIST ON AND INVOF ARPT; BE ALERT TO LARGE NUMBERS OF STARLINGS AND CROWS POSSIBLE ON APCH TO RY 26L AND RY 26R, HAWKS, EAGLES, FALCONS AND OWLS SPOTTED ON OCCASION.
›PCR VALUE: 720/R/A/W/T
›APCH RATIO 50:1 TO DSPLCD THR.
›US CUSTOMS USER FEE ARPT.
›ACFT ACCESS TO TWY R FROM RWY 26R PROHIBITED
›FBO ON FREQ 130.75.
›PTNS OF TWY S IN THE VCY OF TWY F ARE NOT VSB FM ATCT; PILOTS USE CTN ENTERING TWY F SOUTH OF TWY S.
›ALL MILITARY AND GENERAL AVIATION (FIXED OR ROTOR WING) ACFT OPS ARE RESTRICTED TO FBO FACILITIES WITH ADVANCE COORDINATION; OVERNIGHT TIEDOWN AND PARKING FEE.
›ACFT PRKG AND CONTR GND SVCS ARE LTD FOR UNSKED OPS. FOR SCHEDULING INFO CALL AIRFIELD OPS 909-544-5454.
›TWY Y EAST OF TWY W IS A NON-MOVEMENT AREA; ALL ACFT CTC RAMP CTL 131.325 FOR ACCESS.
OFFICIAL LINKS & SOURCES
↗Official METAR on AviationWeather.gov
↗Search NOTAMs (official FAA NOTAM Search)
↗Official airport website
↗Wikipedia
↗KONT on OurAirports
FREQUENTLY ASKED
Does KONT have a METAR?
Yes. KONT has a current METAR observation, decoded into plain English on this page.
Does KONT have a TAF?
Yes, a TAF is issued for KONT; the decoded forecast timeline is shown above.
What is the field elevation at KONT?
KONT sits at 944 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KONT?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.