KACK METAR

Current observed weather at Nantucket Memorial Airport (ACK · KACK), Nantucket, MA, elevation 47 ft. Reported 7 Aug 2026 0153Z, decoded below with the past 24 hours of observations.

All of Nantucket Memorial Airport — runways, frequencies, charts and live weather

METAR observed 7 Aug 2026 0153Z

LIFR

METAR KACK 070153Z AUTO 24009KT 1 1/4SM BR OVC002 22/22 A3012 RMK AO1 SLP199 T02170217 $

Wind

240° at 9 kt

Visibility

1.25 SM

Ceiling

200 ft OVC

Temp / Dewpoint

22° / 22°C

Altimeter

30.12"

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

What it says

Field	Value	What that means
Flight category	LIFR	Low IFR — ceiling below 500 ft and/or visibility less than 1 SM.
Wind	240° at 9 kt	Direction is degrees true, as reported.
Visibility	1.25 SM	Prevailing horizontal visibility in statute miles.
Ceiling	200 ft OVC	Lowest OVC layer, 200 ft above the field.
Sky	Overcast at 200 ft AGL	—
Temperature	22°C (71°F)	—
Dewpoint	22°C (71°F)	—
Temp/dewpoint spread	0°C	A spread of 2°C or less favours fog or low stratus forming.
Altimeter	30.12 inHg	Set this in the Kollsman window; it is the field’s current sea level pressure setting.

VFRMVFRIFRLIFRhover for the full observation

Flight category

Wind · kt (gust shading)

Ceiling · ft (log scale, ▲ = unlimited)

Visibility · SM

All 23 stored observations time · category · wind · visibility · ceiling · temp

Time	Category	Wind	Visibility	Ceiling	Temp
0253Z	LIFR	240° at 7 kt	7 SM	200 ft	22°C
0353Z	LIFR	240° at 8 kt	0.5 SM	200 ft	23°C
0453Z	LIFR	240° at 7 kt	0.25 SM	200 ft	22°C
0541Z	LIFR	240° at 8 kt	0.75 SM	300 ft	22°C
0541Z	LIFR	240° at 8 kt	0.75 SM	300 ft	22°C
0753Z	LIFR	220° at 6 kt	0.25 SM	200 ft	22°C
0953Z	LIFR	210° at 6 kt	0.25 SM	200 ft	22°C
1053Z	LIFR	220° at 8 kt	0.25 SM	200 ft	22°C
1149Z	LIFR	220° at 10 kt	0.5 SM	200 ft	22°C
1253Z	LIFR	230° at 10 kt	6 SM	400 ft	23°C
1353Z	IFR	220° at 10 kt	10+ SM	800 ft	23°C
1453Z	LIFR	230° at 7 kt	7 SM	400 ft	23°C
1453Z	LIFR	230° at 7 kt	7 SM	400 ft	23°C
1653Z	LIFR	230° at 10 kt	6 SM	300 ft	24°C
1753Z	LIFR	230° at 8 kt	1 SM	200 ft	23°C
1853Z	LIFR	240° at 9 kt	3 SM	200 ft	24°C
1953Z	LIFR	240° at 11 kt	2 SM	300 ft	24°C
2053Z	LIFR	240° at 11 kt	1.5 SM	200 ft	23°C
2153Z	IFR	240° at 10 kt	1.25 SM	500 ft	23°C
2253Z	LIFR	240° at 9 kt	5 SM	200 ft	23°C
2353Z	LIFR	230° at 8 kt	0.5 SM	200 ft	22°C
0053Z	LIFR	230° at 8 kt	0.5 SM	200 ft	22°C
0153Z	LIFR	240° at 9 kt	1.25 SM	200 ft	22°C

Frequently asked

What is the current METAR at KACK?

The 7 Aug 2026 0153Z observation at Nantucket Memorial Airport reads: METAR KACK 070153Z AUTO 24009KT 1 1/4SM BR OVC002 22/22 A3012 RMK AO1 SLP199 T02170217 $

Is KACK VFR right now?

Nantucket Memorial Airport is reporting LIFR. Low IFR — ceiling below 500 ft and/or visibility less than 1 SM.

How often is the KACK METAR updated?

Routine observations are issued hourly, usually in the 5 minutes before the hour. A SPECI is issued between them whenever conditions change significantly — a ceiling or visibility crossing a category threshold, a wind shift, or the onset of precipitation or a thunderstorm.

More about KACK

Observations 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.