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 (110°) at 4 kt, visibility 10+ statute miles, broken clouds at 2,200 ft, broken clouds at 3,000 ft, temperature 21°C (69°F), altimeter 30.02 inHg. Conditions are Marginal VFR (MVFR), ceiling 2,200 ft.
METAR KGON 130756Z AUTO 11004KT 10SM BKN022 BKN030 21/19 A3002 RMK AO2 SLP164 T02060194
What changed at KGON?
Since the 0735Z (3:35 AM EDT) report, compared automatically against the latest METAR.
No significant changes since the 0735Z report, conditions are holding steady.
This is exactly what ATIS Alerts watches for you: get a Telegram message when KGON's weather changes, free →
Current pilot readout for KGON
KGON is currently MVFR with winds from 110° at 4 knots, visibility 10+ statute miles, and a 2,200 ft ceiling. The strongest crosswind component is currently on runway 05, about 4 knots. Density altitude is approximately 550 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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Nearby Pilot Hotel Deals
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Runway 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 | 4 kt head | 2 kt left |
| 05 | 5,000 ft | ASP | 1 kt head | 4 kt right |
| 23 | 5,000 ft | ASP | 1 kt tail | 4 kt left |
| 33 | 4,000 ft | ASP | 4 kt tail | 2 kt right |
Open the crosswind calculator to 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 3→4 kt, ceiling unlimited → 2,200 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 © Stadia Maps © OpenMapTiles © OpenStreetMap
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
ARP UAL781 4244N 07306W 0345 F310 TB MOD CHOP IC
ARP UAL781 4244N 07306W 0345…Header: reporting station and UA: a routine pilot report.⚠️ 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 mostly VFR across 28 observations, with 3 flight-category changes. The lowest ceiling was 2,200 ft. Wind most often came from the SE.
Most recent change: VFR → MVFR
Most recent change: VFR → MVFR
- 23
- 36%
- 05
- 26%
- 15
- 21%
- 33
- 17%
TAF | Terminal Aerodrome Forecast
Issued 0522Z (1:22 AM EDT)
TAF KGON 130522Z 1306/1406 15005KT P6SM SCT040 BKN250 FM131000 13005KT 5SM -SHRA BKN015 BKN025 PROB30 1310/1312 3SM SHRA BR FM131200 12008KT 3SM SHRA BR BKN006 OVC010 TEMPO 1312/1316 1SM +TSRA BKN005 OVC010CB FM131600 10008KT 2SM -SHRA BR OVC005 PROB30 1316/1318 3SM -TSRA SCT005 BKN015CB FM131800 26005KT 3SM -SHRA BR BKN008 BKN015 FM132100 25006KT P6SM BKN015 TEMPO 1402/1406 SCT015
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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
- 14h 49m
Run a flight school, FBO, or club here? Embed KGON's live status on your website, free →
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 at KGON
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 2610 · 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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