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
2025 March 28, Friday	05	3.7 39	752.5 29.63 1003.25 1003.25	757.0 29.8 1009.25 1009.25		94	Wind blowing from the south-southwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Drizzle, not freezing, continuous, slight at time of observation.	Drizzle.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	100-200 328-656			10.0 6.2	2.8 37			Dry (without cracks, no appreciable amount of dust or loose sand)
	04	3.7 39	752.5 29.63 1003.25 1003.25	757.0 29.8 1009.25 1009.25		93	Wind blowing from the south	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	100-200 328-656			13.0 8.1	2.7 37
	03	3.8 39	752.5 29.63 1003.25 1003.25	757.0 29.8 1009.25 1009.25		94	Wind blowing from the south-southwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	100-200 328-656			14.0 8.7	2.9 37
	02	3.6 38	752.8 29.64 1003.65 1003.65	757.3 29.81 1009.65 1009.65		95	Wind blowing from the south-southwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Drizzle.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	100-200 328-656			13.0 8.1	2.8 37			Surface of ground moist.
	01	3.4 38	752.8 29.64 1003.65 1003.65	757.3 29.81 1009.65 1009.65		95	Wind blowing from the south-southwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	100-200 328-656			10.0 6.2	2.7 37
	00	3.6 38	753.1 29.65 1004.05 1004.05	757.6 29.83 1010.05 1010.05		93	Wind blowing from the south-southwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas	Precipitation						100%. 10/10. 8 oktas	100-200 328-656			13.0 8.1	2.6 37
March 27, Thursday	23	3.6 38	753.4 29.66 1004.45 1004.45	757.9 29.84 1010.45 1010.45		93	Wind blowing from the south-west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas	Drizzle, not freezing, continuous, slight at time of observation.	Drizzle.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	100%. 10/10. 8 oktas	200-300 656-984			28.0 17.4	2.5 37			Surface of ground moist.
	22	4.3 40	753.4 29.66 1004.45 1004.45	757.9 29.84 1010.45 1010.45		83	Wind blowing from the south-west	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	300-600 984-1968			45.0 28.0	1.7 35
	21	4.7 40	753.6 29.67 1004.72 1004.72	758.2 29.85 1010.85 1010.85		78	Wind blowing from the south-west	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	300-600 984-1968			55.0 34.2	1.1 34
	20	5.3 42	753.6 29.67 1004.72 1004.72	758.2 29.85 1010.85 1010.85		67	Wind blowing from the south-west	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			100%. 10/10. 8 oktas				2.6 37	11.1 52		100%. 10/10. 8 oktas	600-1000 1968-3281			55.0 34.2	-0.3 31	No precipitation No precipitation	12
	19	6.2 43	753.7 29.67 1004.85 1004.85	758.2 29.85 1010.85 1010.85	-0.8 -0.03 -1.07 -1.07	55	Wind blowing from the south-southwest	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	No significant weather observed.						60%. 6/10. 5 oktas	600-1000 1968-3281			50.0 31.1	-2.3 28
	18	6.7 44	753.7 29.67 1004.85 1004.85	758.2 29.85 1010.85 1010.85	-0.7 -0.03 -0.93 -0.93	54	Wind blowing from the south-west	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	No significant weather observed.						90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	2000-2500 6562-8202			55.0 34.2	-2.1 28
	17	6.4 44	754.1 29.69 1005.38 1005.38	758.6 29.87 1011.38 1011.38	-0.3 -0.01 -0.4 -0.4	52	Wind blowing from the south-west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas	Clouds generally forming or developing.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratocumulus other than Stratocumulus cumulogenitus.	100%. 10/10. 8 oktas	2000-2500 6562-8202			55.0 34.2	-2.9 27			Dry (without cracks, no appreciable amount of dust or loose sand)
	16	6.4 44	754.5 29.7 1005.92 1005.92	759.0 29.88 1011.92 1011.92	-0.1 -0 -0.13 -0.13	47	Wind blowing from the south-west	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft)			100%. 10/10. 8 oktas	No significant weather observed.						100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			45.0 28.0	-4.1 25
	15	8.1 47	754.4 29.7 1005.78 1005.78	758.9 29.88 1011.78 1011.78	-0.6 -0.02 -0.8 -0.8	47	Wind blowing from the south-west	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	No significant weather observed.						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.			55.0 34.2	-2.5 28
	14	9.5 49	754.4 29.7 1005.78 1005.78	758.8 29.87 1011.65 1011.65	-0.8 -0.03 -1.07 -1.07	50	Wind blowing from the south-west	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Clouds generally forming or developing.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.			Cumulus humilis or Cumulus fractus other than of bad weather, or both.	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 (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	55.0 34.2	-0.6 31			Dry (without cracks, no appreciable amount of dust or loose sand)
	13	10.2 50	754.6 29.71 1006.05 1006.05	759.1 29.89 1012.05 1012.05	-0.9 -0.04 -1.2 -1.2	52	Wind blowing from the south-west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	No significant weather observed.						10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921			55.0 34.2	0.7 33
	12	10.7 51	755.0 29.72 1006.58 1006.58	759.4 29.9 1012.45 1012.45	-0.5 -0.02 -0.67 -0.67	54	Wind blowing from the south-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			no clouds no clouds no clouds	No significant weather observed.										55.0 34.2	1.6 35
	11	8.9 48	755.2 29.73 1006.85 1006.85	759.7 29.91 1012.85 1012.85	-0.6 -0.02 -0.8 -0.8	58	Wind blowing from the south-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			no clouds no clouds no clouds	Clouds generally dissolving or becoming less developed.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	Cloud covering 1/2 or less of the sky throughout the appropriate period.								55.0 34.2	0.9 34			Dry (without cracks, no appreciable amount of dust or loose sand)
	10	6.7 44	755.5 29.74 1007.25 1007.25	760.0 29.92 1013.25 1013.25	-0.5 -0.02 -0.67 -0.67	66	Wind blowing from the south-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds	No significant weather observed.										45.0 28.0	0.7 33
	09	4.4 40	755.5 29.74 1007.25 1007.25	760.0 29.92 1013.25 1013.25	-0.7 -0.03 -0.93 -0.93	74	Wind blowing from the south-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds	No significant weather observed.										35.0 21.8	0.1 32
	08	2.6 37	755.8 29.76 1007.65 1007.65	760.3 29.93 1013.65 1013.65	-0.3 -0.01 -0.4 -0.4	77	Wind blowing from the south-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds	State of sky on the whole unchanged.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	-6.2 21	2.6 37						23.0 14.3	-1.1 30	No precipitation No precipitation	12
	07	-2.0 28	756.0 29.76 1007.92 1007.92	760.6 29.94 1014.05 1014.05	-0.2 -0.01 -0.27 -0.27	81	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds	No significant weather observed.										35.0 21.8	-4.8 23
	06	-5.4 22	756.2 29.77 1008.18 1008.18	760.9 29.96 1014.45 1014.45	-0.1 -0 -0.13 -0.13	91	Wind blowing from the south	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds	No significant weather observed.										40.0 24.9	-6.6 20
	05	-5.2 23	756.1 29.77 1008.05 1008.05	760.8 29.95 1014.32 1014.32	-0.2 -0.01 -0.27 -0.27	89	Wind blowing from the south-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds	State of sky on the whole unchanged.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	Cloud covering 1/2 or less of the sky throughout the appropriate period.								45.0 28.0	-6.8 20			Dry

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