WxDecoder

53CN Weather Thayer Aviation Airport

Grimes, CaliforniaElevation 54 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KMYV · 16 NM E · More than 1 hour old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KMYV
WIND
VRB@4
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No current METAR is available for this airport, so there is no observed aviation report to summarize. Forecast suggests today mostly sunny, high near 69F, low near 45F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Today Mostly Sunny 69/45 SW 5 kt – 0%
Monday Sunny 67/42 S 3 kt – 0%
Tuesday Sunny 67/42 NNW 5 kt – 0%
Wednesday Mostly Sunny 64/44 NNW 3 kt – 3%
Thursday Mostly Sunny 62/41 NE 4 kt – 11%
Friday Mostly Sunny then Slight Chance Light Rain 60/40 WNW 4 kt – 22%
Saturday Slight Chance Light Rain 60/38 NW 4 kt – 22%

Source: National Weather Service (office STO). Forecast issued 1538Z.

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 53CN. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 1,800 ft

NW/SE
Dimensions
1,800 x 60 ft
Surface
Asphalt
RWY NW
Traffic patternLeft
RWY SE
Traffic patternLeft

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
54 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
1428Z 7:28 AM
Loggable night
0142Z (6:42 PM local) → 1401Z (7:01 AM local)
end of evening to start of morning civil twilight
Position lights required
0115Z (6:15 PM local) → 1428Z (7:28 AM local)
sunset to sunrise (91.209)
Night passenger currency
0215Z (7:15 PM local) → 1328Z (6:28 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

Thayer Aviation Airport is in Grimes, California. Field elevation 54 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerJACK HUEY
Manager phone(530) 458-5518
AttendedALL MON-SAT, 0800–1700
CHARTS & AIRSPACE
ICAO / IATA53CN
SectionalSAN FRANCISCO
Center (ARTCC)OAKLAND
Flight service (AFSS)RANCHO MURIETA
RegionCalifornia
CountryUnited States
Coordinates39.0749, -121.9180
Distance from city2 NM NW
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

53CN traffic patterns

2026-07-12 to 2026-07-30, 2 days observed · data 2026-10-23

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1.5
AVG OPS/DAY
2.5
Activity trend over 2 days: rising, from 1 to 4 operations per dayOperations trend (2 days)

Busiest day: Thu · Busiest month: Jul

FLEET MIX
Piston single 67%Unknown 33%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›CC11 (Piston single) · ~2 landings/mo
›UNKN (Unknown) · ~1 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›CC11 (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

53CN has no on-field report. Nearest reporting station: KMYV (16 NM E, VFR).

KMYV Yuba County Airport
16 NM E
VFR
KBAB Beale Air Force Base
23 NM E
VFR
KSMF Sacramento International Airport
27 NM SE
VFR
KOVE Oroville Municipal Airport
28 NM NE
VFR
KMCC McClellan Airfield
34 NM SE
VFR
KSAC Sacramento Executive Airport
39 NM SE
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC NORCAL APCH AT 916-361-6874.
›HNGR NE CORNER & PWR LINE E SIDE OF RWY.
›ESTABD PRIOR TO 15 MAY 1959.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗53CN on OurAirports
FREQUENTLY ASKED
Does 53CN have a METAR?
No on-field METAR is issued for 53CN. This page uses the nearest reporting station as a reference.
Does 53CN have a TAF?
No TAF is issued directly for 53CN. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 53CN?
53CN sits at 54 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 53CN?
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.