Weather archive in Grimsstadir

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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 January 1, Thursday	21	-7.8 18	732.6 28.84 976.72 976.72	769.7 30.3 1026.18 1026.18	0.7 0.03 0.93 0.93	90	Wind blowing from the north-northwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			60%. 6/10. 5 oktas						Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	40%. 4/10. 3 oktas	1500-2000 4921-6562	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	60.0 37.3	-9.2 15
	18	-8.2 17	731.9 28.81 975.79 975.79	769.0 30.28 1025.25 1025.25	0.9 0.04 1.2 1.2	93	Wind blowing from the west-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			40%. 4/10. 3 oktas				-13.0 9	-5.0 23	Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	40%. 4/10. 3 oktas	2000-2500 6562-8202	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	60.0 37.3	-9.1 16	Trace of precipitation Trace of precipitation	9
	15	-10.8 13	731.0 28.78 974.59 974.59	768.5 30.26 1024.58 1024.58	1.0 0.04 1.33 1.33	92	Wind blowing from the north	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						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 at a single level.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon.	60.0 37.3	-11.8 11
	12	-7.0 19	730.0 28.74 973.25 973.25	766.9 30.19 1022.45 1022.45	0.6 0.02 0.8 0.8	91	Wind blowing from the north	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.		30.0 18.6	-8.2 17
	09	-5.5 22	729.4 28.72 972.45 972.45	766.0 30.16 1021.25 1021.25		96	Wind blowing from the west-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena.	Continuous fall of snowflakes, slight at time of observation.	Snow and/or other types of solid precipitation	Cloud covering more than 1/2 of the sky throughout the appropriate period.		-4.4 24						6.0 3.7	-6.0 21	0.9 0.04	15