WxDecoder

CN99 Weather Del Mar Farms Airport

Patterson, CaliforniaElevation 65 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KMOD · 11 NM NE · 51 min old
No ceiling, visibility 9 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KMOD
WIND
100@3
steady
VISIBILITY
9 SM
14.5 km
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 110° at 3 kt, visibility 8 SM, temperature 10C. Treat this as supplemental, not an aviation observation. Forecast suggests sunday haze then mostly sunny, high near 74F, low near 49F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Sunday Haze then Mostly Sunny 74/49 SE 3 kt – 0%
Monday Sunny 71/46 NW 7 kt – 0%
Tuesday Sunny 69/47 NW 4 kt – 0%
Wednesday Mostly Sunny 68/48 NW 3 kt – 1%
Thursday Partly Sunny 66/45 NW 4 kt – 14%
Friday Mostly Sunny then Slight Chance Light Rain 63/42 WNW 5 kt – 24%
Saturday Slight Chance Light Rain 62 NW 4 kt – 24%

Source: National Weather Service (office STO). Forecast issued 0944Z.

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
Crosswind calculator
No runway layout is available for CN99. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 2,873 ft

12/30
Dimensions
2,873 x 34 ft
Surface
Concrete
RWY 12
RWY 30

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
65 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0115Z 6:15 PM
Sunrise
1422Z 7:22 AM
Loggable night
0142Z (6:42 PM local) → 1355Z (6:55 AM local)
end of evening to start of morning civil twilight
Position lights required
0115Z (6:15 PM local) → 1422Z (7:22 AM local)
sunset to sunrise (91.209)
Night passenger currency
0215Z (7:15 PM local) → 1322Z (6:22 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

Del Mar Farms Airport is in Patterson, California. Field elevation 65 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerJON MARING
Manager phone209-894-5555
CHARTS & AIRSPACE
ICAO / IATACN99
SectionalSAN FRANCISCO
Center (ARTCC)OAKLAND
Flight service (AFSS)RANCHO MURIETA
RegionCalifornia
CountryUnited States
Coordinates37.5464, -121.1586
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

CN99 traffic patterns

2026-06-12 to 2026-10-16, 22 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0.3
AVG OPS/DAY
1
Activity trend over 3 days: flat, from 1 to 1 operations per dayOperations trend (3 days)

Busiest day: Thu · Busiest month: Aug

FLEET MIX
Helicopter 45%Unknown 23%Piston single 15%Twin 10%Turboprop 7%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›B06 (Helicopter) · ~4 landings/mo
›CC11 (Unknown) · ~2 landings/mo
›BE58 (Twin) · ~1 landings/mo
›C150 (Piston single) · ~1 landings/mo
›B505 (Helicopter) · ~1 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

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

›TBM8 (Turboprop)
›B505 (Helicopter)
›B06 (Helicopter)

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

CN99 has no on-field report. Nearest reporting station: KMOD (11 NM NE, VFR).

KMOD Modesto City Co-Harry Sham Field
11 NM NE
VFR
KSCK Stockton Metropolitan Airport
21 NM N
VFR
KMER Castle Airport
30 NM E
VFR
KLVK Livermore Municipal Airport
33 NM W
VFR
KRHV Reid-Hillview Airport of Santa Clara County
34 NM W
VFR
KMCE Merced Regional Macready Field
35 NM SE
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC NORCAL APCH AT 916-361-0516.
›ALL OPS ARE CONDUCTED IN VFR WX CONDS, LNDG AREA IS LMTD TO PVT USE, ALL OPS ARE LMTD TO DAY
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗CN99 on OurAirports
FREQUENTLY ASKED
Does CN99 have a METAR?
No on-field METAR is issued for CN99. This page uses the nearest reporting station as a reference.
Does CN99 have a TAF?
No TAF is issued directly for CN99. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at CN99?
CN99 sits at 65 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for CN99?
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.