KGON TAF

Terminal aerodrome forecast for Groton-New London (GON · KGON), Groton (New London), CT. Issued 5 Nov 2026 0313Z, valid 0300Z to 0000Z, decoded period by period below. · Open on the map

All of Groton-New London — runways, frequencies, charts and live weather

TAF issued 5 Nov 2026 0313Z

valid 0300Z to 0000Z

TAF KGON 050313Z 0503/0524 19004KT P6SM BKN250 TEMPO 0503/0504 BKN008 FM050400 20005KT 5SM BR OVC005 FM051400 21010KT 6SM BR BKN007 BKN015 FM051600 20012KT P6SM SCT008 BKN015

Times are UTC (Zulu), as they appear in the bulletin.

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
0300Z to 0400Z	Initial	190° at 4 kt	6+ SM	25,000 ft BKN	Broken at 25,000 ft AGL	VFR

0300Z to 0400Z	TEMPO	No change	n/a	800 ft BKN	Broken at 800 ft AGL	IFR

0400Z to 1400Z	FM	200° at 5 kt	5 SM	500 ft OVC	Overcast at 500 ft AGL	IFR

1400Z to 1600Z	FM	210° at 10 kt	6+ SM	700 ft BKN	Broken at 700 ft AGL, Broken at 1,500 ft AGL	IFR

1600Z to 0000Z	FM	200° at 12 kt	6+ SM	1,500 ft BKN	Scattered at 800 ft AGL, Broken at 1,500 ft AGL	MVFR

What the change groups mean

TEMPO: Temporary — expected for less than half the period, in spells under an hour.
FM: From — a rapid, permanent change to the conditions that follow.

What the categories mean

VFR: Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
IFR: Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 SM.
MVFR: Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.

Frequently asked

What is the current TAF for KGON?

The forecast issued 5 Nov 2026 0313Z for Groton-New London reads: TAF KGON 050313Z 0503/0524 19004KT P6SM BKN250 TEMPO 0503/0504 BKN008 FM050400 20005KT 5SM BR OVC005 FM051400 21010KT 6SM BR BKN007 BKN015 FM051600 20012KT P6SM SCT008 BKN015

How far ahead does a TAF forecast?

A TAF covers a 24-hour period at most airports and 30 hours at larger ones, issued four times a day at 0000Z, 0600Z, 1200Z and 1800Z. It describes conditions within roughly 5 statute miles of the airport, not the surrounding area.

What do FM, BECMG and TEMPO mean?

FM (from) marks a rapid, permanent change at the stated time. BECMG (becoming) marks a gradual change over the stated window. TEMPO marks conditions expected for less than half the period, in spells of under an hour each. PROB30 and PROB40 give the probability of the conditions that follow.

More about KGON

Forecasts from the US National Weather Service Aviation Weather Center. Times are UTC (Zulu). For planning and education only — always confirm with an official preflight briefing.

Something here wrong or out of date? Report a data problem.