Groton New London Airport (KGON) Aviation Weather, METAR, TAF & ATIS Alerts
Live aviation weather for Groton New London Airport in Groton, CT, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.
Groton New London Airport (KGON) is a regional airport serving Groton, CT at 9 ft. KGON reports its own METAR and publishes a TAF — decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 4 runways (05, 15, 23, 33) — longest 5,000 ft — are checked against the current wind in the crosswind table below. The official FAA airport diagram is at the bottom of the page. Track KGON in the ATIS Alerts Telegram bot to get a message when a new METAR changes the picture — flight category, wind, or ceiling past your selected minimums.
Wind from the east-southeast (120°) at 12 kt, gusting 21 kt, visibility 10+ statute miles, overcast at 6,000 ft, temperature 22°C (71°F), altimeter 29.65 inHg. Conditions are Visual Flight Rules (VFR), ceiling 6,000 ft.
METAR KGON 290556Z AUTO 12012G21KT 10SM OVC060 22/20 A2965 RMK AO2 SLP039 T02170200 10222 20217 58013
What changed at KGON?
Since the 0456Z (12:56 AM EDT) report — compared automatically against the latest METAR.
- Gusts began — now gusting 21 kt.
- Pressure falling: altimeter 29.67 → 29.65 inHg.
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Current pilot readout for KGON
KGON is currently VFR with winds from 120° at 12 knots gusting 21, visibility 10+ statute miles, and a 6,000 ft ceiling. The strongest crosswind component is currently on runway 05, about 12 knots. Density altitude is approximately 1,150 ft (field elevation 9 ft). Review the latest TAF below for forecast changes before departure.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Track KGON free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at KGON. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 15FAV | 4,000 ft | ASP | 12 kt head | 3 kt left (g5) |
| 05 | 5,000 ft | ASP | 1 kt head | 12 kt right (g21) |
| 23 | 5,000 ft | ASP | 1 kt tail | 12 kt left (g21) |
| 33 | 4,000 ft | ASP | 12 kt tail | 3 kt right (g5) |
Open the crosswind calculator — try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 8→12 kt, ceiling 1,100 ft → 6,000 ft.
KGON weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Groton New London Airport in Groton, CT: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around KGON is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Pilot reports (PIREPs) within 100 NM of KGON
Reported by pilots in flight over the past 6 hours — via aviationweather.gov.
Show raw report
LGA UA /OV KLGA040004/TM 0602/FL015/TP B38M/WX -RA/TB LGT CHOP/RM ON APPROACH RWY 22
LGA UAHeader — reporting station and UA: a routine pilot report.OV KLGA040004Location — fix or navaid, optionally with a radial and distance in NM.TM 0602Reported at 06:02 UTC.FL015Altitude: 1,500 ft MSL.TP B38MAircraft type reporting.WX -RAWeather and flight visibility observed.TB LGT CHOPTurbulence: light chop.RM ON APPROACH RWY 22Remarks.Show raw report
BDL UA /OV BDL/TM 0556/FL025/TP B763/SK SCT025/RM DURD RY 24
BDL UAHeader — reporting station and UA: a routine pilot report.OV BDLLocation — fix or navaid, optionally with a radial and distance in NM.TM 0556Reported at 05:56 UTC.FL025Altitude: 2,500 ft MSL.TP B763Aircraft type reporting.SK SCT025Sky condition — cloud bases and tops in hundreds of feet MSL.RM DURD RY 24Remarks.Show raw report
FRG UA /OV FRG320005/TM 0444/FL020/TP PC24/SK 018/WX RA/TB LT-MOD CHOP
FRG UAHeader — reporting station and UA: a routine pilot report.OV FRG320005Location — fix or navaid, optionally with a radial and distance in NM.TM 0444Reported at 04:44 UTC.FL020Altitude: 2,000 ft MSL.TP PC24Aircraft type reporting.SK 018Sky condition — cloud bases and tops in hundreds of feet MSL.WX RAWeather and flight visibility observed.TB LT-MOD CHOPTurbulence: lt- moderate chop.Show raw report
TEB UA /OV KTEB010004/TM 0425/FL015/TP C700/WX -RA/TB NEG/RM ON APPROACH RWY 19
TEB UAHeader — reporting station and UA: a routine pilot report.OV KTEB010004Location — fix or navaid, optionally with a radial and distance in NM.TM 0425Reported at 04:25 UTC.FL015Altitude: 1,500 ft MSL.TP C700Aircraft type reporting.WX -RAWeather and flight visibility observed.TB NEGTurbulence: none reported.RM ON APPROACH RWY 19Remarks.Show raw report
DXR UA /OV CMK180070/TM 0409/FL190/TP B752/TB MOD 190-150
DXR UAHeader — reporting station and UA: a routine pilot report.OV CMK180070Location — fix or navaid, optionally with a radial and distance in NM.TM 0409Reported at 04:09 UTC.FL190Altitude: 19,000 ft MSL.TP B752Aircraft type reporting.TB MOD 190-150Turbulence: moderate 19,000–15,000 ft.Show raw report
BDL UA /OV BDL/TM 0407/FL031/TP B763/SK BKN031/RM DURD RY 24
BDL UAHeader — reporting station and UA: a routine pilot report.OV BDLLocation — fix or navaid, optionally with a radial and distance in NM.TM 0407Reported at 04:07 UTC.FL031Altitude: 3,100 ft MSL.TP B763Aircraft type reporting.SK BKN031Sky condition — cloud bases and tops in hundreds of feet MSL.RM DURD RY 24Remarks.Show raw report
BDL UA /OV BDL/TM 0313/FL025/TP A320/SK BKN025/RM DURD RY 24
BDL UAHeader — reporting station and UA: a routine pilot report.OV BDLLocation — fix or navaid, optionally with a radial and distance in NM.TM 0313Reported at 03:13 UTC.FL025Altitude: 2,500 ft MSL.TP A320Aircraft type reporting.SK BKN025Sky condition — cloud bases and tops in hundreds of feet MSL.RM DURD RY 24Remarks.Show raw report
BDL UA /OV BDL/TM 0305/FL020/TP C25B/SK BKN020/RM DURD RY 15
BDL UAHeader — reporting station and UA: a routine pilot report.OV BDLLocation — fix or navaid, optionally with a radial and distance in NM.TM 0305Reported at 03:05 UTC.FL020Altitude: 2,000 ft MSL.TP C25BAircraft type reporting.SK BKN020Sky condition — cloud bases and tops in hundreds of feet MSL.RM DURD RY 15Remarks.⚠️ PIREPs are unverified pilot reports. Not for operational use — conditions change between reports.
Recent aviation weather trends at KGON
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KGON reported a mix of conditions, most often marginal VFR across 35 observations, with 11 flight-category changes. The strongest gust reached 21 kt, the lowest ceiling was 800 ft. Wind most often came from the S.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
- 23
- 45%
- 05
- 19%
- 15
- 18%
- 33
- 18%
TAF — Terminal Aerodrome Forecast
Issued 0545Z (1:45 AM EDT)
TAF KGON 290545Z 2906/3006 14013KT P6SM SCT035 BKN050 PROB30 2906/2908 3SM -SHRA BR BKN015 BKN035 FM290800 13013G20KT 3SM SHRA BR BKN007 BKN015 TEMPO 2910/2913 2SM +TSRA SCT007 OVC020CB FM291600 12012G22KT 4SM -SHRA BR BKN009 OVC012 TEMPO 2916/2919 3SM SHRA BR FM292000 09008KT 3SM BR VCSH SCT005 BKN009
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Airport facts
Reference data from the OurAirports dataset.
- Type
- Regional airport
- ICAO
- KGON
- IATA
- GON
- FAA LID
- GON
- City
- Groton
- State
- Connecticut
- Country
- United States
- Elevation
- 9 ft
- Coordinates
- 41.3301, -72.0451
- Runways
- 4
- Longest runway
- 5,000 ft
- Weather reporting
- Reports METAR
- TAF
- Published
- ATIS
- 127 MHz
- CTAF
- 125.6 MHz
- Time zone
- America/New_York
- Next sunset
- 17h 56m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport — live wind, crosswind & flyability on each page.
- Borderline R/C Flyers - Greenhaven Rd — Pawcatuck, CT · 10 mi
- RC Propbusters Inc - Norwich — Salem, CT · 15 mi
- Rhode Island Soaring Club - Orchard Rd — Richmond, RI · 24 mi
Historical Flying Weather
2006–2025 · ATIS Alerts Flying Weather Index
Based on historical observations from 2006–2025, KGON reported VFR conditions during about 75.7% of valid daylight observations, with an estimated 259 VFR flying days a year. November had the most VFR weather; May had the most instrument conditions. Surface winds averaged 7.6 kt, calm 10.9% of the time.
Full historical breakdown
Flight category by month
| Month | VFR % | MVFR % | IFR % | LIFR % |
|---|---|---|---|---|
| Jan | 78.0 | 11.3 | 6.4 | 4.3 |
| Feb | 78.0 | 10.1 | 7.2 | 4.7 |
| Mar | 78.5 | 10.6 | 5.8 | 5.2 |
| Apr | 76.1 | 11.1 | 5.7 | 7.0 |
| May | 69.3 | 12.5 | 7.3 | 11.0 |
| Jun | 71.0 | 12.8 | 7.5 | 8.7 |
| Jul | 71.9 | 14.6 | 7.1 | 6.4 |
| Aug | 79.2 | 12.3 | 5.3 | 3.2 |
| Sep | 78.4 | 11.5 | 6.3 | 3.8 |
| Oct | 77.2 | 14.0 | 6.1 | 2.7 |
| Nov | 82.3 | 10.7 | 4.5 | 2.5 |
| Dec | 75.7 | 12.2 | 7.5 | 4.7 |
Average wind by month
| Month | Mean wind (kt) |
|---|---|
| Jan | 8.8 kt |
| Feb | 8.7 kt |
| Mar | 9.1 kt |
| Apr | 8.4 kt |
| May | 7.1 kt |
| Jun | 6.2 kt |
| Jul | 5.7 kt |
| Aug | 6.0 kt |
| Sep | 6.9 kt |
| Oct | 7.9 kt |
| Nov | 8.2 kt |
| Dec | 8.4 kt |
Historical summary of past observations — not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.
KGON airport diagram
Official FAA taxiway and runway layout. Tap to zoom.
The FAA airport diagram for Groton New London Airport in Groton, CT shows the runway and taxiway layout across 4 runways, ramp areas, and hold-short positions — review it before taxiing at an unfamiliar field.
Official FAA airport diagram · d-TPP cycle 2608 · Not for navigation. Download the official FAA PDF ↗
KGON weather — frequently asked
What runways are available at KGON?+
KGON has 4 runways — 05, 15, 23, 33; the longest is 5,000 ft. This page computes the live crosswind for each runway end from the current wind.
Does KGON report its own weather?+
Yes — Groton New London Airport has its own weather station and publishes METAR observations, which this page decodes live.
Does KGON have a TAF?+
Yes — the TAF is shown on this page below the current conditions.
Does KGON broadcast D-ATIS?+
No — KGON does not broadcast D-ATIS. Alerts for KGON from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR instead.
Where can I find the KGON airport diagram?+
The official FAA airport diagram for Groton New London Airport (KGON) is shown on this page — it maps the runway and taxiway layout, ramps, and hold-short lines. Tap it to zoom, or download the official FAA PDF free from the link under the diagram (updated every 28-day FAA charting cycle).
Pilot PIREPs for Groton New London Airport (KGON)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Groton New London Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for KGON yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only — not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
No D-ATIS at this airport — showing METAR.
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