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 September 9, Wednesday	20	15.3 60	745.7 29.36 994.19 994.19	750.1 29.53 1000.05 1000.05		96	Wind blowing from the south-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain (not freezing).						100%. 10/10. 8 oktas	100-200 328-656			55.0 34.2	14.7 58
	19	15.5 60	745.6 29.35 994.05 994.05	749.9 29.52 999.78 999.78		96	Wind blowing from the south-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain (not freezing).						100%. 10/10. 8 oktas	100-200 328-656			65.0 40.4	14.8 59
	18	15.5 60	745.6 29.35 994.05 994.05	749.8 29.52 999.65 999.65		97	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	Shower(s).	Rain.			Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	100%. 10/10. 8 oktas	100-200 328-656			5.0 3.1	15.1 59			Surface of ground wet (standing water in small or large pools on surface).
	17	15.4 60	745.6 29.35 994.05 994.05	749.9 29.52 999.78 999.78		96	Wind blowing from the south-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Drizzle and rain, moderate or heavy.						100%. 10/10. 8 oktas	200-300 656-984			11.0 6.8	14.8 59
	16	15.8 60	745.6 29.35 994.05 994.05	749.9 29.52 999.78 999.78		94	Wind blowing from the south-southwest	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.						60%. 6/10. 5 oktas	100-200 328-656			45.0 28.0	14.8 59
	15	15.7 60	745.4 29.35 993.79 993.79	749.7 29.52 999.52 999.52		95	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain shower(s), slight.	Shower(s).	Rain.			Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Altostratus opacus or Nimbostratus.		24.0 14.9	14.9 59			Surface of ground wet (standing water in small or large pools on surface).
	14	16.4 62	745.6 29.35 994.05 994.05	749.9 29.52 999.78 999.78		85	Wind blowing from the south-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Rain shower(s) or intermittent rain, slight.						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.			71.0 44.1	13.8 57
	13	17.3 63	745.3 29.34 993.65 993.65	749.6 29.51 999.38 999.38		81	Wind blowing from the south-west	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	Rain shower(s) or intermittent rain, slight.						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	13.9 57
	12	17.9 64	745.6 29.35 994.05 994.05	749.8 29.52 999.65 999.65		81	Wind blowing from the south-west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Clouds generally dissolving or becoming less developed.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	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.		71.0 44.1	14.5 58			Dry (without cracks, no appreciable amount of dust or loose sand)
	11	17.5 64	745.1 29.33 993.39 993.39	749.4 29.5 999.12 999.12		86	Wind blowing from the south-west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Rain (not freezing).						90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	300-600 984-1968			71.0 44.1	15.2 59
	10	16.7 62	745.0 29.33 993.25 993.25	749.3 29.5 998.98 998.98		90	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	Rain shower(s) or intermittent rain, slight.						100%. 10/10. 8 oktas	300-600 984-1968			55.0 34.2	15.1 59
	09	16.4 62	745.2 29.34 993.52 993.52	749.5 29.51 999.25 999.25		92						State of sky on the whole unchanged.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	15.0 59	16.4 62	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			50.0 31.1	15.1 59	0.6 0.02	12
	08	16.1 61	745.5 29.35 993.92 993.92	749.8 29.52 999.65 999.65		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	Rain (not freezing).						100%. 10/10. 8 oktas	200-300 656-984			40.0 24.9	14.9 59
	07	15.6 60	745.9 29.37 994.45 994.45	750.2 29.54 1000.18 1000.18		97	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	Rain shower(s) or intermittent rain, slight.						90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	100-200 328-656			18.0 11.2	15.2 59
	06	15.5 60	746.8 29.4 995.65 995.65	751.0 29.57 1001.25 1001.25		97											Stratus nebulosus or Stratus 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	100-200 328-656			16.0 9.9	15.1 59			Dry (without cracks, no appreciable amount of dust or loose sand)
	05	15.5 60	747.1 29.41 996.05 996.05	751.5 29.59 1001.92 1001.92		97	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							60%. 6/10. 5 oktas	100-200 328-656			14.0 8.7	15.0 59
	04	15.2 59	747.7 29.44 996.85 996.85	752.1 29.61 1002.72 1002.72		97	Wind blowing from the south	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	200-300 656-984			18.0 11.2	14.8 59
	03	15.1 59	748.0 29.45 997.25 997.25	752.3 29.62 1002.98 1002.98		97						State of sky on the whole unchanged.	Rain.	Drizzle.			Stratus nebulosus or Stratus 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	200-300 656-984	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.		13.0 8.1	14.6 58			Dry (without cracks, no appreciable amount of dust or loose sand)
	02	15.3 60	748.2 29.46 997.52 997.52	752.5 29.63 1003.25 1003.25		96												70 – 80%. 7/10 – 8/10. 6 oktas	200-300 656-984			23.0 14.3	14.7 58
	01	15.7 60	748.1 29.45 997.38 997.38	752.4 29.62 1003.12 1003.12		96						Drizzle (not freezing) or snow grains.						70 – 80%. 7/10 – 8/10. 6 oktas	200-300 656-984			26.0 16.2	15.0 59
	00	15.9 61	748.0 29.45 997.25 997.25	752.3 29.62 1002.98 1002.98		97						Drizzle and rain, slight.	Rain.	Drizzle.			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	100-200 328-656			22.0 13.7	15.4 60			Surface of ground moist.
September 8, Tuesday	23	15.7 60	747.8 29.44 996.98 996.98	752.2 29.61 1002.85 1002.85		93						Rain shower(s) or intermittent rain, slight.						100%. 10/10. 8 oktas	300-600 984-1968			14.0 8.7	14.5 58
	22	15.6 60	748.0 29.45 997.25 997.25	752.4 29.62 1003.12 1003.12		90						Rain shower(s) or intermittent rain, slight.						100%. 10/10. 8 oktas	300-600 984-1968			10.0 6.2	14.0 57
	21	16.2 61	748.6 29.47 998.05 998.05	752.9 29.64 1003.78 1003.78		82						State of sky on the whole unchanged.	Shower(s).	Rain.	14.9 59	16.8 62	Stratocumulus other than Stratocumulus cumulogenitus.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 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.		71.0 44.1	13.1 56	4.0 0.16	12	Dry (without cracks, no appreciable amount of dust or loose sand)
	20	16.1 61	748.8 29.48 998.32 998.32	753.1 29.65 1004.05 1004.05		85						Rain (not freezing).						100%. 10/10. 8 oktas	2000-2500 6562-8202			71.0 44.1	13.5 56