Weather archive in Sliven

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 May 23, Saturday	15	20.6 69	741.7 29.2 988.85 988.85	764.2 30.09 1018.85 1018.85	0.5 0.02 0.67 0.67	66	Wind blowing from the north-northwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			50%. 5/10. 4 oktas				17.4 63	21.6 71	Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	No Cirrus, Cirrocumulus or Cirrostratus.	22.0 13.7	14.1 57	No precipitation No precipitation	6
	12	20.4 69	741.2 29.18 988.19 988.19	763.6 30.06 1018.05 1018.05		70	Wind blowing from the north-west	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)			60%. 6/10. 5 oktas				17.4 63	20.7 69	Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	40%. 4/10. 3 oktas	1000-1500 3281-4921	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	22.0 13.7	14.8 59
	09	19.7 67	740.8 29.17 987.65 987.65	763.3 30.05 1017.65 1017.65	0.5 0.02 0.67 0.67	64	Wind blowing from the north-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			40%. 4/10. 3 oktas	State of sky on the whole unchanged.	Fog or ice fog or thick haze.	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.	14.1 57	19.8 68	Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	22.0 13.7	12.7 55	Trace of precipitation Trace of precipitation	12
	06	14.3 58	740.3 29.15 986.99 986.99	763.3 30.05 1017.65 1017.65		97	Calm, no wind	Calm			40%. 4/10. 3 oktas				14.1 57	18.1 65	Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	40%. 4/10. 3 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	12.0 7.5	13.8 57
	03	14.4 58	740.1 29.14 986.72 986.72	763.0 30.04 1017.25 1017.25	0.1 0 0.13 0.13	96	Calm, no wind	Calm			100%. 10/10. 8 oktas	Mist.	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.	14.3 58	18.1 65	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	300-600 984-1968			1.5 0.9	13.7 57	Trace of precipitation Trace of precipitation	6
	00	17.2 63	740.0 29.13 986.59 986.59	762.7 30.03 1016.85 1016.85		80	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas	State of sky on the whole unchanged.	Shower(s).	Cloud covering 1/2 or less of the sky throughout the appropriate period.	17.2 63	18.1 65	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	20–30%. 2/10–3/10. 2 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	18.0 11.2	13.7 57
May 22, Friday	21	18.0 64	739.5 29.11 985.92 985.92	762.1 30 1016.05 1016.05	0.3 0.01 0.4 0.4	76	Wind blowing from the west-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas	Thunderstorm (with or without precipitation).	Thunderstorm(s) with or without precipitation.	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.	16.0 61	21.1 70	Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	18.0 11.2	13.6 56	2.0 0.08	12
	18	20.5 69	739.2 29.1 985.52 985.52	761.5 29.98 1015.25 1015.25		71	Calm, no wind	Calm			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				16.0 61	21.1 70	Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	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.	No Cirrus, Cirrocumulus or Cirrostratus.	18.0 11.2	15.1 59
	15	19.3 67	739.6 29.12 986.05 986.05	762.1 30 1016.05 1016.05	0.2 0.01 0.27 0.27	72	Wind blowing from the north-northwest	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	Clouds generally dissolving or becoming less developed.	Shower(s).	Rain.	16.0 61	19.3 67	Stratocumulus other than Stratocumulus cumulogenitus.	50%. 5/10. 4 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.	No Cirrus, Cirrocumulus or Cirrostratus.	18.0 11.2	14.0 57	2.0 0.08	6