Weather archive in Helsinki / Vantaa (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 April 13, Monday	15	10.8 51	769.0 30.28 1025.25 1025.25	773.6 30.46 1031.38 1031.38		50	Wind blowing from the south	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas						Stratocumulus cumulogenitus.	100%. 10/10. 8 oktas	1500-2000 4921-6562	Altocumulus translucidus at a single level.		55.0 34.2	0.6 33			Dry (without cracks, no appreciable amount of dust or loose sand)
	14	11.9 53	768.7 30.26 1024.85 1024.85	773.2 30.44 1030.85 1030.85		43	Wind blowing from the south-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							70 – 80%. 7/10 – 8/10. 6 oktas	1000-1500 3281-4921			50.0 31.1	-0.4 31
	13	12.3 54	768.7 30.26 1024.85 1024.85	773.2 30.44 1030.85 1030.85		39	Wind blowing from the east-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas							70 – 80%. 7/10 – 8/10. 6 oktas	2000-2500 6562-8202			60.0 37.3	-1.4 29
	12	10.9 52	768.7 30.26 1024.85 1024.85	773.3 30.44 1030.98 1030.98		44	Wind blowing from the south-east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	1500-2000 4921-6562	Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	55.0 34.2	-1.0 30			Dry (without cracks, no appreciable amount of dust or loose sand)
	11	11.7 53	768.6 30.26 1024.72 1024.72	773.1 30.44 1030.72 1030.72		42	Wind blowing from the east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds											60.0 37.3	-0.9 30
	10	9.2 49	768.5 30.26 1024.58 1024.58	773.1 30.44 1030.72 1030.72		47	Wind blowing from the east-northeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds											50.0 31.1	-1.6 29
	09	6.6 44	768.4 30.25 1024.45 1024.45	772.9 30.43 1030.45 1030.45		56	Wind blowing from the east-northeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds				-3.3 26	6.8 44						50.0 31.1	-1.7 29	No precipitation No precipitation	12
	08	3.5 38	768.1 30.24 1024.05 1024.05	772.7 30.42 1030.18 1030.18		73	Wind blowing from the north	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds											35.0 21.8	-1.0 30
	07	-1.2 30	767.8 30.23 1023.65 1023.65	772.4 30.41 1029.78 1029.78		86	Wind blowing from the north-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds											40.0 24.9	-3.2 26
	06	-2.7 27	767.6 30.22 1023.38 1023.38	772.3 30.41 1029.65 1029.65		96	Wind blowing from the north-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds											45.0 28.0	-3.2 26			Dry
	05	-2.8 27	767.5 30.22 1023.25 1023.25	772.3 30.41 1029.65 1029.65		92	Wind blowing from the north-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	2500 or more, or no clouds. 8202 or more, or no clouds.			45.0 28.0	-4.0 25
	04	-1.8 29	767.3 30.21 1022.98 1022.98	772.0 30.39 1029.25 1029.25		89	Wind blowing from the east-northeast	Calm			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			45.0 28.0	-3.4 26
	03	-2.4 28	767.0 30.2 1022.58 1022.58	771.7 30.38 1028.85 1028.85		90	Wind blowing from the north-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			50%. 5/10. 4 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	50%. 5/10. 4 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	No Cirrus, Cirrocumulus or Cirrostratus.	45.0 28.0	-3.9 25			Dry
	02	-2.5 28	766.9 30.19 1022.45 1022.45	771.6 30.38 1028.72 1028.72		92	Wind blowing from the north-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds											40.0 24.9	-3.6 26
	01	-1.1 30	766.9 30.19 1022.45 1022.45	771.6 30.38 1028.72 1028.72		90	Wind blowing from the north-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds											45.0 28.0	-2.6 27
	00	-1.0 30	766.8 30.19 1022.32 1022.32	771.4 30.37 1028.45 1028.45		88	Wind blowing from the east-northeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds											55.0 34.2	-2.7 27			Dry
April 12, Sunday	23	-0.3 31	766.6 30.18 1022.05 1022.05	771.3 30.37 1028.32 1028.32		83	Wind blowing from the east-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds											45.0 28.0	-2.8 27
	22	2.8 37	766.6 30.18 1022.05 1022.05	771.2 30.36 1028.18 1028.18		72	Wind blowing from the east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds											50.0 31.1	-1.8 29
	21	4.6 40	766.5 30.18 1021.92 1021.92	771.1 30.36 1028.05 1028.05		62	Wind blowing from the south-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0				4.6 40	11.7 53	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	no clouds no clouds no clouds	2500 or more, or no clouds. 8202 or more, or no clouds.	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	65.0 40.4	-2.1 28	No precipitation No precipitation	12	Dry (without cracks, no appreciable amount of dust or loose sand)
	20	9.1 48	766.2 30.17 1021.52 1021.52	770.7 30.34 1027.52 1027.52		42	Wind blowing from the south-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds											65.0 40.4	-3.1 26
	19	10.3 51	766.0 30.16 1021.25 1021.25	770.5 30.33 1027.25 1027.25		39	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds											71.0 44.1	-3.3 26
	18	10.8 51	765.9 30.15 1021.12 1021.12	770.4 30.33 1027.12 1027.12		39	Wind blowing from the south-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds											65.0 40.4	-2.7 27			Dry (without cracks, no appreciable amount of dust or loose sand)
	17	10.4 51	766.0 30.16 1021.25 1021.25	770.5 30.33 1027.25 1027.25		43	Wind blowing from the south-east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			no clouds no clouds no clouds											65.0 40.4	-1.6 29
	16	10.6 51	766.0 30.16 1021.25 1021.25	770.5 30.33 1027.25 1027.25		44	Wind blowing from the east-southeast	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0								2500 or more, or no clouds. 8202 or more, or no clouds.			65.0 40.4	-1.2 30
	15	10.9 52	766.2 30.17 1021.52 1021.52	770.7 30.34 1027.52 1027.52		44	Wind blowing from the south-east	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			no clouds no clouds no clouds											60.0 37.3	-0.9 30			Dry (without cracks, no appreciable amount of dust or loose sand)