Weather archive in Keflavik (airport)

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Date / Local time		T	Po	P	Pa	U	DD	Ff	ff10	ff3	N	WW	W1	W2	Tn	Tx	Cl	Nh	H	Cm	Ch	VV	Td	RRR	tR	E	Tg	E'	sss
2026 May 6, Wednesday	12	4.7 40	762.6 30.02 1016.72 1016.72	768.0 30.24 1023.92 1023.92	0.2 0.01 0.27 0.27	50	Wind blowing from the north-northeast	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft)			20–30%. 2/10–3/10. 2 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	70.0 43.5	-4.9 23
	09	2.7 37	762.4 30.02 1016.45 1016.45	767.8 30.23 1023.65 1023.65		61	Wind blowing from the north-northeast	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			20–30%. 2/10–3/10. 2 oktas				0.4 33	3.2 38	Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	60.0 37.3	-4.2 24	No precipitation No precipitation	1
	06	0.9 34	761.8 29.99 1015.65 1015.65	767.2 30.2 1022.85 1022.85		68	Wind blowing from the north-northeast	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	No Cirrus, Cirrocumulus or Cirrostratus.	60.0 37.3	-4.4 24
	03	1.0 34	761.5 29.98 1015.25 1015.25	766.9 30.19 1022.45 1022.45		67	Wind blowing from the north-east	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft)			20–30%. 2/10–3/10. 2 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	No Cirrus, Cirrocumulus or Cirrostratus.	60.0 37.3	-4.5 24
	00	1.3 34	761.3 29.97 1014.98 1014.98	766.7 30.19 1022.18 1022.18	-0.1 -0 -0.13 -0.13	73	Wind blowing from the north-northeast	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft)			50%. 5/10. 4 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.	Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus.	60.0 37.3	-3.0 27
May 5, Tuesday	21	1.8 35	761.4 29.98 1015.12 1015.12	766.8 30.19 1022.32 1022.32		65	Wind blowing from the north-northeast	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	50%. 5/10. 4 oktas	600-1000 1968-3281	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	60.0 37.3	-4.1 25
	18	2.7 37	761.8 29.99 1015.65 1015.65	767.2 30.2 1022.85 1022.85	-1.1 -0.04 -1.47 -1.47	54	Wind blowing from the north-northeast	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				1.2 34	5.4 42	Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	40%. 4/10. 3 oktas	1000-1500 3281-4921	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.	Cirrostratus not progressively invading the sky and not entirely covering it.	60.0 37.3	-5.9 21
	15	3.2 38	762.9 30.04 1017.12 1017.12	768.3 30.25 1024.32 1024.32		44	Wind blowing from the north-northeast	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	60.0 37.3	-8.0 18
	12	2.5 37	763.5 30.06 1017.92 1017.92	768.9 30.27 1025.12 1025.12	-0.3 -0.01 -0.4 -0.4	53	Wind blowing from the north-east	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.		70.0 43.5	-6.1 21