KOAK METAR

Current observed weather at Oakland San Francisco Bay (OAK · KOAK), Oakland, CA, elevation 9 ft. Reported 21 Sep 2026 0253Z, decoded below with the past 24 hours of observations. · Open on the map

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METAR observed 21 Sep 2026 0253Z

VFR

METAR KOAK 210253Z 26011KT 10SM FEW006 SCT013 BKN150 15/13 A2993 RMK AO2 SLP136 T01500128 53004

Wind

260° at 11 kt

Visibility

10+ SM

Ceiling

15,000 ft BKN

Temp / Dewpoint

15° / 13°C

Altimeter

29.93"

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

What it says

Field	Value	What that means
Flight category	VFR	Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
Wind	260° at 11 kt	Direction is degrees true, as reported.
Visibility	10+ SM	10 SM is the maximum an automated US station reports; it means 10 or greater.
Ceiling	15,000 ft BKN	Lowest BKN layer, 15,000 ft above the field.
Sky	Few at 600 ft AGL, Scattered at 1,300 ft AGL, Broken at 15,000 ft AGL	—
Temperature	15°C (59°F)	—
Dewpoint	13°C (55°F)	—
Temp/dewpoint spread	2°C	A spread of 2°C or less favours fog or low stratus forming.
Altimeter	29.93 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 24 stored observations time · category · wind · visibility · ceiling · temp

Time	Category	Wind	Visibility	Ceiling	Temp
0353Z	IFR	270° at 9 kt	10+ SM	800 ft	15°C
0453Z	IFR	280° at 9 kt	10+ SM	900 ft	14°C
0553Z	IFR	280° at 8 kt	10+ SM	900 ft	14°C
0653Z	IFR	300° at 4 kt	10+ SM	900 ft	14°C
0753Z	IFR	280° at 7 kt	10+ SM	900 ft	15°C
0853Z	IFR	000° at 0 kt	10+ SM	900 ft	14°C
0953Z	IFR	230° at 6 kt	10+ SM	900 ft	14°C
1053Z	IFR	000° at 0 kt	10+ SM	900 ft	14°C
1153Z	IFR	270° at 8 kt	10+ SM	900 ft	14°C
1253Z	IFR	230° at 8 kt	10+ SM	900 ft	14°C
1353Z	IFR	220° at 6 kt	10+ SM	900 ft	14°C
1453Z	IFR	280° at 3 kt	10+ SM	900 ft	14°C
1553Z	IFR	260° at 7 kt	10+ SM	900 ft	14°C
1653Z	IFR	250° at 7 kt	10+ SM	900 ft	14°C
1753Z	IFR	250° at 4 kt	10+ SM	900 ft	15°C
1853Z	IFR	260° at 9 kt	10+ SM	900 ft	16°C
1953Z	MVFR	280° at 11 kt	10+ SM	1,200 ft	16°C
2053Z	MVFR	260° at 7 kt	10+ SM	1,200 ft	17°C
2153Z	VFR	270° at 6 kt	10+ SM	15,000 ft	17°C
2253Z	MVFR	280° at 9 kt	10+ SM	1,400 ft	17°C
2353Z	VFR	260° at 6 kt	10+ SM	16,000 ft	17°C
0053Z	VFR	290° at 11 kt	10+ SM	16,000 ft	17°C
0153Z	VFR	290° at 8 kt	10+ SM	16,000 ft	16°C
0253Z	VFR	260° at 11 kt	10+ SM	15,000 ft	15°C

Frequently asked

What is the current METAR at KOAK?

The 21 Sep 2026 0253Z observation at Oakland San Francisco Bay reads: METAR KOAK 210253Z 26011KT 10SM FEW006 SCT013 BKN150 15/13 A2993 RMK AO2 SLP136 T01500128 53004

Is KOAK VFR right now?

Oakland San Francisco Bay is reporting VFR. Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.

How often is the KOAK 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 KOAK

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.

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