WxDecoder

31WN Weather Berlin Field LLC

Berlin, WisconsinElevation 773 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KOSH · 17 NM E · 43 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KOSH
WIND
020@11
steady
VISIBILITY
10 SM
16.1 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 360° at 9 kt, visibility 10 SM, temperature 13C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 47F, 10% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Showers And Thunderstorms Likely. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 47 NE 4 kt – 10%
Monday Mostly Cloudy 54/43 NE 9 kt – 10%
Tuesday Partly Sunny 65/52 SE 9 kt – 11%
Wednesday Mostly Sunny 72/54 S 9 kt – 68%
Thursday Showers And Thunderstorms Likely 69/47 W 4 kt – 68% Thunderstorms in the forecast
Friday Chance Rain Showers 67/51 SE 4 kt – 52%
Saturday Chance Rain Showers 67/50 SE 9 kt – 52%
Sunday Chance Rain Showers 64 W 4 kt – 35%

Source: National Weather Service (office GRB). Forecast issued 0235Z.

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 31WN. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 1,850 ft

09/27
Dimensions
1,850 x 60 ft
Surface
Turf (good)
RWY 09
Traffic patternLeft
RWY 27
Traffic patternRight

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
773 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2256Z 5:56 PM
Sunrise
1224Z 7:24 AM
Loggable night
2325Z (6:25 PM local) → 1154Z (6:54 AM local)
end of evening to start of morning civil twilight
Position lights required
2256Z (5:56 PM local) → 1224Z (7:24 AM local)
sunset to sunrise (91.209)
Night passenger currency
2356Z (6:56 PM local) → 1124Z (6:24 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

Berlin Field LLC is in Berlin, Wisconsin. Field elevation 773 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerMATT SHUBAT
Manager phone920-509-7013
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA31WN
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)GREEN BAY
RegionWisconsin
CountryUnited States
Coordinates43.9914, -88.9620
Distance from city2 NM NW
SERVICES & LIGHTING
Control towerNon-towered
Traffic pattern alt800 ft MSL
AIRCRAFT ACTIVITY

31WN traffic patterns

2026-07-14 to 2026-10-05, 2 days observed · data 2026-10-23

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

Busiest day: Tue · Busiest month: Jul

FLEET MIX
Piston single 50%Unknown 50%

Mostly small piston aircraft.

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

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

›UNKN (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

31WN has no on-field report. Nearest reporting station: KOSH (17 NM E, VFR).

KOSH Wittman Regional Airport
17 NM E
VFR
KFLD Fond du Lac County Airport
24 NM SE
VFR
KATW Appleton International Airport
25 NM NE
MVFR
KUNU Dodge County Airport
36 NM S
VFR
KCLI Clintonville Municipal Airport
39 NM N
MVFR
KSTE Stevens Point Municipal Airport
41 NM NW
VFR
AIRPORT REMARKS

Operational remarks

›WITHIN APCH TO BROKEN PROP FIELD.
›FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
›RWY 09/27 ENDS MKD WITH STRIPED BARRELS.
›EMAIL ADDRESS: BERLINFIELD@AOL.COM (ALL LOWER CASE) ALSO, MSHUBAT@AOL.COM (ALL LOWER CASE)
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗31WN on OurAirports
FREQUENTLY ASKED
Does 31WN have a METAR?
No on-field METAR is issued for 31WN. This page uses the nearest reporting station as a reference.
Does 31WN have a TAF?
No TAF is issued directly for 31WN. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 31WN?
31WN sits at 773 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 31WN?
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.