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 August 20, Thursday	16	14.6 58	745.2 29.34 993.52 993.52	749.5 29.51 999.25 999.25		96	Wind blowing from the east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain shower(s) or intermittent rain, moderate.						100%. 10/10. 8 oktas	300-600 984-1968			45.0 28.0	14.0 57
	15	15.3 60	745.3 29.34 993.65 993.65	749.6 29.51 999.38 999.38		93	Wind blowing from the east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain shower(s), slight.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	100%. 10/10. 8 oktas	600-1000 1968-3281			30.0 18.6	14.1 57			Surface of ground wet (standing water in small or large pools on surface).
	14	14.7 58	745.6 29.35 994.05 994.05	749.8 29.52 999.65 999.65		91	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain shower(s) or intermittent rain, slight.						100%. 10/10. 8 oktas	600-1000 1968-3281			65.0 40.4	13.2 56
	13	17.2 63	745.5 29.35 993.92 993.92	749.8 29.52 999.65 999.65		67	Wind blowing from the south-east	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							20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921			71.0 44.1	10.9 52
	12	18.0 64	745.6 29.35 994.05 994.05	749.9 29.52 999.78 999.78		61	Wind blowing from the east-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						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 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.	71.0 44.1	10.3 51			Dry (without cracks, no appreciable amount of dust or loose sand)
	11	16.9 62	745.8 29.36 994.32 994.32	750.1 29.53 1000.05 1000.05		72	Wind blowing from the south-east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas							20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281			71.0 44.1	11.7 53
	10	17.8 64	745.8 29.36 994.32 994.32	750.1 29.53 1000.05 1000.05		71	Wind blowing from the south-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968			71.0 44.1	12.4 54
	09	15.7 60	746.0 29.37 994.59 994.59	750.3 29.54 1000.32 1000.32		88	Wind blowing from the east-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				5.1 41	15.7 60	Cumulus humilis or Cumulus fractus other than of bad weather, or both.	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.	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	13.7 57	No precipitation No precipitation	12
	08	12.6 55	746.2 29.38 994.85 994.85	750.6 29.55 1000.72 1000.72		93	Wind blowing from the east-southeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			71.0 44.1	11.5 53
	07	9.2 49	746.3 29.38 994.99 994.99	750.7 29.56 1000.85 1000.85		94	Wind blowing from the east-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			50.0 31.1	8.3 47
	06	5.6 42	746.4 29.39 995.12 995.12	750.9 29.56 1001.12 1001.12		96	Wind blowing from the east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	70 – 80%. 7/10 – 8/10. 6 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	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 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.	71.0 44.1	5.0 41			Dry (without cracks, no appreciable amount of dust or loose sand)
	05	6.3 43	746.5 29.39 995.25 995.25	750.9 29.56 1001.12 1001.12		95	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											71.0 44.1	5.6 42
	04	6.0 43	746.5 29.39 995.25 995.25	751.0 29.57 1001.25 1001.25		96	Wind blowing from the south-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds											71.0 44.1	5.4 42
	03	6.5 44	746.6 29.39 995.39 995.39	751.0 29.57 1001.25 1001.25		96	Wind blowing from the north	Calm			no clouds no clouds no clouds											71.0 44.1	5.9 43			Dry (without cracks, no appreciable amount of dust or loose sand)
	02	7.0 45	746.6 29.39 995.39 995.39	751.0 29.57 1001.25 1001.25		93	Wind blowing from the south-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds											71.0 44.1	5.9 43
	01	10.0 50	746.5 29.39 995.25 995.25	751.0 29.57 1001.25 1001.25		82	Wind blowing from the west-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds											71.0 44.1	7.1 45
	00	11.6 53	746.4 29.39 995.12 995.12	750.7 29.56 1000.85 1000.85		76	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds											71.0 44.1	7.5 46			Dry (without cracks, no appreciable amount of dust or loose sand)
August 19, Wednesday	23	13.4 56	746.2 29.38 994.85 994.85	750.6 29.55 1000.72 1000.72		71	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds											71.0 44.1	8.2 47
	22	14.3 58	746.1 29.37 994.72 994.72	750.4 29.54 1000.45 1000.45		66	Wind blowing from the west-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds											71.0 44.1	8.0 46
	21	15.6 60	745.9 29.37 994.45 994.45	750.1 29.53 1000.05 1000.05		60	Wind blowing from the west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds				13.8 57	20.5 69						71.0 44.1	7.8 46	No precipitation No precipitation	12	Dry (without cracks, no appreciable amount of dust or loose sand)
	20	17.3 63	745.6 29.35 994.05 994.05	749.8 29.52 999.65 999.65		54	Wind blowing from the west-northwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas							20–30%. 2/10–3/10. 2 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			71.0 44.1	7.8 46
	19	19.3 67	745.3 29.34 993.65 993.65	749.5 29.51 999.25 999.25		44	Wind blowing from the west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			no clouds no clouds no clouds											71.0 44.1	6.6 44
	18	20.1 68	745.0 29.33 993.25 993.25	749.3 29.5 998.98 998.98		39	Wind blowing from the west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			no clouds no clouds no clouds											65.0 40.4	5.7 42			Dry (without cracks, no appreciable amount of dust or loose sand)
	17	20.0 68	745.0 29.33 993.25 993.25	749.2 29.5 998.85 998.85		38	Wind blowing from the west	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							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1500-2000 4921-6562			45.0 28.0	5.2 41
	16	19.6 67	744.9 29.33 993.12 993.12	749.2 29.5 998.85 998.85		47	Wind blowing from the west-northwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			50%. 5/10. 4 oktas							50%. 5/10. 4 oktas	1500-2000 4921-6562			71.0 44.1	7.8 46