WxDecoder

8CO7 Weather Colorado Antique Field

Niwot, ColoradoElevation 5,069 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KBDU · 6 NM SW · 24 min old
Ceiling 4,700 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KBDU
WIND
350@4
steady
VISIBILITY
10 SM
16.1 km
CEILING
4,700 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 wind from 10° at 5 kt, visibility 5 SM, temperature 11C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight rain showers likely, low near 42F, 57% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Rain Showers Likely 42 N 6 kt – 57%
Monday Patchy Fog then Mostly Sunny 60/35 ENE 4 kt – 17%
Tuesday Patchy Fog then Sunny 67/35 SSW 4 kt – 0%
Wednesday Mostly Sunny 68/36 SSE 5 kt – 0%
Thursday Mostly Sunny 66/38 S 3 kt – 1%
Friday Partly Sunny 67/40 W 3 kt – 15%
Saturday Mostly Sunny 63/38 WSW 2 kt – 12%
Sunday Partly Sunny then Chance Rain Showers 62 NNE 3 kt – 42%

Source: National Weather Service (office BOU). Forecast issued 0035Z.

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 8CO7. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 3,400 ft

07/25
Dimensions
3,400 x 150 ft
Surface
Turf
RWY 07
Traffic patternRight
RWY 25
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
5,069 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0007Z 6:07 PM
Sunrise
1323Z 7:23 AM
Loggable night
0034Z (6:34 PM local) → 1255Z (6:55 AM local)
end of evening to start of morning civil twilight
Position lights required
0007Z (6:07 PM local) → 1323Z (7:23 AM local)
sunset to sunrise (91.209)
Night passenger currency
0107Z (7:07 PM local) → 1223Z (6:23 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

Colorado Antique Field is in Niwot, Colorado. Field elevation 5,069 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerJ B GREINER
Manager phone303-652-0676
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA8CO7
SectionalCHEYENNE
Center (ARTCC)DENVER
Flight service (AFSS)DENVER
RegionColorado
CountryUnited States
Coordinates40.1225, -105.1720
Distance from city1 NM N
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

8CO7 traffic patterns

2026-07-23 to 2026-09-09, 7 days observed · data 2026-10-23

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
2
AVG OPS/DAY
4
Operations trend (1 days)

Busiest day: Wed · Busiest month: Sep

FLEET MIX
Piston single 33%Helicopter 33%Unknown 33%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›C172 (Piston single) · ~2 landings/mo
›B06 (Helicopter) · ~1 landings/mo
›PA11 (Unknown) · ~1 landings/mo
›R44 (Helicopter) · ~1 landings/mo
›UNKN (Unknown) · ~1 landings/mo
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

8CO7 has no on-field report. Nearest reporting station: KBDU (6 NM SW, VFR).

KBDU Boulder Municipal Airport
6 NM SW
VFR
KBJC Rocky Mountain Metropolitan Airport
13 NM S
VFR
KFNL Northern Colorado Regional Airport
21 NM N
VFR
KDEN Denver International Airport
28 NM SE
VFR
KGXY Greeley–Weld County Airport
31 NM NE
VFR
KBKF Buckley Space Force Base
32 NM SE
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC DENVER APCH AT 303-342-1916.
›25-FOOT PLINE 1300 FEET FROM THR.
›35-FOOT TREES ON NORTH AND SOUTH SIDE OF CNTLN.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗8CO7 on OurAirports
FREQUENTLY ASKED
Does 8CO7 have a METAR?
No on-field METAR is issued for 8CO7. This page uses the nearest reporting station as a reference.
Does 8CO7 have a TAF?
No TAF is issued directly for 8CO7. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 8CO7?
8CO7 sits at 5,069 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 8CO7?
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.