Weather archive in Helsinki / Vantaa (airport)

To receive explanations, hover over the appropriate heading

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 October 4, Sunday	23	8.3 47	756.5 29.78 1008.58 1008.58	761.0 29.96 1014.58 1014.58		90	Wind blowing from the west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas							50%. 5/10. 4 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			71.0 44.1	6.7 44
	22	8.3 47	756.6 29.79 1008.72 1008.72	761.1 29.96 1014.72 1014.72		90	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 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	6.8 44
	21	9.4 49	756.5 29.78 1008.58 1008.58	761.0 29.96 1014.58 1014.58		88	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	State of sky on the whole unchanged.	Shower(s).	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.	9.3 49	15.4 60						71.0 44.1	7.5 46	0.3 0.01	12	Surface of ground moist.
	18	12.7 55	756.5 29.78 1008.58 1008.58	760.9 29.96 1014.45 1014.45		82	Wind blowing from the west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 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	Shower(s) of rain.	Shower(s).	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.			Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	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	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	9.7 49			Surface of ground moist.
	17	14.1 57	756.5 29.78 1008.58 1008.58	760.9 29.96 1014.45 1014.45		72	Wind blowing from the 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							60%. 6/10. 5 oktas	600-1000 1968-3281			71.0 44.1	9.1 48
	16	15.2 59	756.6 29.79 1008.72 1008.72	760.9 29.96 1014.45 1014.45		79	Wind blowing from the west-southwest	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	300-600 984-1968			71.0 44.1	11.5 53
	15	14.4 58	757.1 29.81 1009.38 1009.38	761.5 29.98 1015.25 1015.25		87	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	State of sky on the whole unchanged.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratocumulus other than Stratocumulus cumulogenitus.	70 – 80%. 7/10 – 8/10. 6 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	12.3 54			Surface of ground moist.
	14	14.0 57	757.5 29.82 1009.92 1009.92	761.9 30 1015.78 1015.78		91	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	Drizzle and rain, moderate or heavy.						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			60.0 37.3	12.5 55
	13	14.6 58	758.0 29.84 1010.58 1010.58	762.4 30.02 1016.45 1016.45		85	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							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	12.1 54
	12	14.3 58	758.5 29.86 1011.25 1011.25	762.8 30.03 1016.98 1016.98		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						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	300-600 984-1968			71.0 44.1	11.7 53			Dry (without cracks, no appreciable amount of dust or loose sand)
	11	14.2 58	758.8 29.87 1011.65 1011.65	763.2 30.05 1017.52 1017.52		87	Wind blowing from the south-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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	12.1 54
	10	12.9 55	759.1 29.89 1012.05 1012.05	763.5 30.06 1017.92 1017.92		91	Wind blowing from the south-southwest	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	2500 or more, or no clouds. 8202 or more, or no clouds.			71.0 44.1	11.4 53
	08	10.5 51	759.8 29.91 1012.98 1012.98	764.2 30.09 1018.85 1018.85		99	Wind blowing from the south-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas	Fog						20–30%. 2/10–3/10. 2 oktas	50-100 164-328			13.0 8.1	10.3 51
	07	10.1 50	760.2 29.93 1013.52 1013.52	764.6 30.1 1019.38 1019.38		100	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			60%. 6/10. 5 oktas	Mist.						60%. 6/10. 5 oktas	50-100 164-328			3.8 2.4	10.1 50
	06	10.8 51	760.6 29.94 1014.05 1014.05	765.1 30.12 1020.05 1020.05		98	Wind blowing from the south	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						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	1000-1500 3281-4921	Altocumulus translucidus at a single level.		11.0 6.8	10.5 51			Surface of ground moist.
	05	11.3 52	760.9 29.96 1014.45 1014.45	765.4 30.13 1020.45 1020.45		97	Wind blowing from the west-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	100-200 328-656			28.0 17.4	10.8 51
	04	10.9 52	761.3 29.97 1014.98 1014.98	765.8 30.15 1020.98 1020.98		100	Wind blowing from the south-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	100-200 328-656			14.0 8.7	10.9 52
	03	10.8 51	761.9 30 1015.78 1015.78	766.3 30.17 1021.65 1021.65		97	Wind blowing from the west-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	100-200 328-656			28.0 17.4	10.4 51			Surface of ground moist.
	02	10.8 51	762.3 30.01 1016.32 1016.32	766.7 30.19 1022.18 1022.18		96	Wind blowing from the west-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	100-200 328-656			45.0 28.0	10.2 50
	01	10.6 51	762.5 30.02 1016.58 1016.58	767.0 30.2 1022.58 1022.58		95	Wind blowing from the west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	200-300 656-984			71.0 44.1	9.8 50
	00	10.9 52	762.8 30.03 1016.98 1016.98	767.2 30.2 1022.85 1022.85		95	Wind blowing from the west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	100-200 328-656			65.0 40.4	10.1 50			Surface of ground moist.