WxDecoder

K8T8 Weather San Geronimo Airpark

San Antonio, TexasElevation 1,040 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KSKF · 14 NM SE · 6 min old
Ceiling 2,600 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KSKF
WIND
VRB@3
steady
VISIBILITY
10 SM
16.1 km
CEILING
2,600 ft
lowest BKN/OVC
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports visibility 10 SM. Treat this as supplemental, not an aviation observation. Forecast suggests today slight chance rain showers then chance showers and thunderstorms, high near 78F, low near 63F, 32% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Today: Slight Chance Rain Showers then Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Today Slight Chance Rain Showers then Chance Showers And Thunderstorms 78/63 ESE 9 kt – 32% Thunderstorms in the forecast
Wednesday Partly Sunny then Chance Showers And Thunderstorms 82/65 ESE 4 kt – 28%
Thursday Showers And Thunderstorms Likely 77/62 ESE 9 kt – 71%
Friday Showers And Thunderstorms Likely 76/62 ESE 9 kt 17 kt 57%
Saturday Partly Sunny 82/64 SE 4 kt – 13%
Sunday Partly Sunny 83/66 SE 9 kt – 6%
Monday Partly Sunny 84/60 SSW 9 kt – 15%

Source: National Weather Service (office EWX). Forecast issued 1607Z.

Radar

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

OUR HEADSET PICK · NOT SPONSORED

DC

David Clark DC ONE-X

Not sponsored, just the headset we'd buy ourselves: the DC ONE-X, with hybrid noise canceling, Bluetooth, and 30+ hour battery. And David Clark's A+ customer service is the real reason we recommend them.

Visit David Clark
RUNWAYS & WIND
1 runway
NESW1735
WIND
No on-field weather data
No reporting weather station on the field, so wind components cannot be computed. See nearby stations below.
RUNWAYS

Runway detail & declared distances

1 runway · longest 3,000 ft

17/35
Dimensions
3,000 x 40 ft
Surface
Asphalt (good)
RWY 17180°T
RWY 35360°T

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

FIELD CONDITIONS

Field elevation

Field elevation
1,040 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2353Z 6:53 PM
Sunrise
1245Z 7:45 AM
Loggable night
0017Z (7:17 PM local) → 1220Z (7:20 AM local)
end of evening to start of morning civil twilight
Position lights required
2353Z (6:53 PM local) → 1245Z (7:45 AM local)
sunset to sunrise (91.209)
Night passenger currency
0053Z (7:53 PM local) → 1145Z (6:45 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

San Geronimo Airpark is in San Antonio, Texas. Field elevation 1,040 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UseOpen to the public
TypeSmall airport
ManagerRONALD O'DEA
Manager phone210-488-5088
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAK8T8
SectionalSAN ANTONIO
Center (ARTCC)HOUSTON
Flight service (AFSS)SAN ANGELO
RegionTexas
CountryUnited States
Coordinates29.5105, -98.7984
Distance from city10 NM W
SERVICES & LIGHTING
Control towerNon-towered
CTAF122.900
FREQUENCIES

Communications

126.625
HOUSTON CNTR
CNTR
122.9
CTAF
CTAF

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

AIRCRAFT ACTIVITY

K8T8 traffic patterns

2026-06-13 to 2026-10-26, 41 days observed · data 2026-10-26

Medium confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1.6
AVG OPS/DAY
2.8
Activity trend over 12 days: rising, from 1 to 2 operations per dayOperations trend (12 days)

Busiest day: Sat · Busiest month: Oct

FLEET MIX
Unknown 50%Piston single 50%

Fleet composition unclear from available data.

TOP AIRCRAFT TYPES
›RV8 (Unknown) · ~4 landings/mo
›UNKN (Unknown) · ~4 landings/mo
›P28A (Piston single) · ~2 landings/mo
›ERCO (Piston single) · ~2 landings/mo
›VR7 (Unknown) · ~2 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly aircraft of unknown type.

›RV8 (Unknown)
›P28A (Piston single)
›VR7 (Unknown)
›T6 (Unknown)
›P28R (Piston single)

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

K8T8 has no on-field report. Nearest reporting station: KSKF (14 NM SE, MVFR).

KSKF Lackland Air Force Base
14 NM SE
MVFR
KSAT San Antonio International Airport
17 NM E
VFR
KSSF Stinson Municipal Airport
20 NM SE
MVFR
KRND Randolph Air Force Base
27 NM E
VFR
KERV Kerrville / Kerr County Airport at Louis Schreiner Field
32 NM NW
MVFR
KBAZ New Braunfels National Airport
41 NM E
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC SAN ANTONIO APCH AT 210-805-5516.
›SHOULDERS SOFT & MUDDY WHEN WET.
›WILDLIFE ON & INVOF ARPT.
›POWERED PARACHUTES PROHIBITED.
›15 FT HGRS 112 FT WEST ALONG RWY.
›22 FT TREES 100 FT EAST OF CNTRLN FULL LENGTH OF RWY.
›22 FT TREES 100 FT EAST OF CNTRLN FULL LENGTH OF RWY.
›LIMIT 3 TGLS DURG DAYTIME.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗K8T8 on OurAirports
FREQUENTLY ASKED
Does K8T8 have a METAR?
No on-field METAR is issued for K8T8. This page uses the nearest reporting station as a reference.
Does K8T8 have a TAF?
No TAF is issued directly for K8T8. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at K8T8?
K8T8 sits at 1,040 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for K8T8?
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.