Weather archive in Kostroma

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 August 7, Friday	18	26.4 80	744.1 29.3 992.05 992.05	754.8 29.72 1006.32 1006.32	-0.9 -0.04 -1.2 -1.2	74	Wind blowing from the south-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Thunderstorm(s) with or without precipitation.	Cloud covering more than 1/2 of the sky throughout the appropriate period.		28.9 84	Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	50%. 5/10. 4 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	21.3 70	Trace of precipitation Trace of precipitation	12
	15	27.5 82	745.0 29.33 993.25 993.25	755.8 29.76 1007.65 1007.65	-1.2 -0.05 -1.6 -1.6	71	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	Thunderstorm combined with duststorm or sandstorm at time of observation.	Thunderstorm(s) with or without precipitation.	Shower(s).			Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	70 – 80%. 7/10 – 8/10. 6 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	21.7 71
	12	28.2 83	746.2 29.38 994.85 994.85	757.0 29.8 1009.25 1009.25	-0.7 -0.03 -0.93 -0.93	59	Wind blowing from the west-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						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	600-1000 1968-3281	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	19.4 67
	09	25.4 78	746.9 29.41 995.79 995.79	757.8 29.83 1010.32 1010.32	0.0 0 0 0	68	Calm, no wind	Calm			100%. 10/10. 8 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	70 – 80%. 7/10 – 8/10. 6 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	19.0 66
	06	20.4 69	746.9 29.41 995.79 995.79	757.9 29.84 1010.45 1010.45	0.0 0 0 0	100	Wind blowing from the south-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				19.4 67		No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	70 – 80%. 7/10 – 8/10. 6 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Altocumulus castellanus or floccus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	20.4 69	No precipitation No precipitation	12	Dry (without cracks, no appreciable amount of dust or loose sand)	19.0 66
	03	20.2 68	746.9 29.41 995.79 995.79	757.9 29.84 1010.45 1010.45	-0.3 -0.01 -0.4 -0.4	100	Wind blowing from the south-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	50.0 31.1	20.2 68
	00	21.3 70	747.2 29.42 996.18 996.18	758.2 29.85 1010.85 1010.85	-0.8 -0.03 -1.07 -1.07	94	Wind blowing from the south-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	60%. 6/10. 5 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.		50.0 31.1	20.3 69
August 6, Thursday	21	21.7 71	748.0 29.45 997.25 997.25	759.1 29.89 1012.05 1012.05	-0.1 -0 -0.13 -0.13	92	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Altocumulus castellanus or floccus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	20.4 69
August 6, Thursday	18	25.3 78	748.1 29.45 997.38 997.38	759.0 29.88 1011.92 1011.92	-1.4 -0.06 -1.87 -1.87	70	Wind blowing from the south-southeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			40%. 4/10. 3 oktas					25.4 78	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	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	19.5 67	Trace of precipitation Trace of precipitation	12