Weather archive in Santa Rosa
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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 13, Sunday | 15 | 12.7 55 | 754.4 29.7 1005.78 1005.78 | 772.2 30.4 1029.52 1029.52 | -3.0 -0.12 -4 -4 | 30 | Wind blowing from the north | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | no clouds no clouds no clouds | 30.0 18.6 | -4.6 24 | No precipitation No precipitation | 6 | ||||||||||||||||
14 | 12.3 54 | 755.8 29.76 1007.65 1007.65 | 773.6 30.46 1031.38 1031.38 | -2.4 -0.09 -3.2 -3.2 | 35 | Wind blowing from the north | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | no clouds no clouds no clouds | 30.0 18.6 | -2.9 27 | |||||||||||||||||||
13 | 11.2 52 | 756.5 29.78 1008.58 1008.58 | 774.4 30.49 1032.45 1032.45 | -2.1 -0.08 -2.8 -2.8 | 38 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 30.0 18.6 | -2.8 27 | |||||||||||||||||||
12 | 9.2 49 | 757.4 29.82 1009.78 1009.78 | 775.3 30.52 1033.65 1033.65 | -1.2 -0.05 -1.6 -1.6 | 39 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 30.0 18.6 | -4.3 24 | ||||||||||||||
11 | 8.4 47 | 758.2 29.85 1010.85 1010.85 | 776.2 30.56 1034.85 1034.85 | -0.3 -0.01 -0.4 -0.4 | 43 | Wind blowing from the north-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 20–30%. 2/10–3/10. 2 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 30.0 18.6 | -3.7 25 | ||||||||||||||
10 | 6.5 44 | 758.6 29.87 1011.38 1011.38 | 776.6 30.57 1035.38 1035.38 | 0.1 0 0.13 0.13 | 43 | Wind blowing from the north-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 30.0 18.6 | -5.2 23 | ||||||||||||||
09 | 3.6 38 | 758.6 29.87 1011.38 1011.38 | 776.8 30.58 1035.65 1035.65 | 0.3 0.01 0.4 0.4 | 43 | Wind blowing from the north-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | -1.9 29 | 3.6 38 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus castellanus or floccus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 30.0 18.6 | -7.8 18 | ||||||||||||
08 | 0.8 33 | 758.5 29.86 1011.25 1011.25 | 776.6 30.57 1035.38 1035.38 | -0.1 -0 -0.13 -0.13 | 66 | Wind blowing from the north-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus castellanus or floccus. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | -4.9 23 | ||||||||||||||
07 | 0.1 32 | 758.5 29.86 1011.25 1011.25 | 776.5 30.57 1035.25 1035.25 | -0.6 -0.02 -0.8 -0.8 | 76 | Wind blowing from the north-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 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. | 30.0 18.6 | -3.6 26 | ||||||||||||||
06 | 0.4 33 | 758.3 29.85 1010.98 1010.98 | 776.3 30.56 1034.98 1034.98 | -1.5 -0.06 -2 -2 | 80 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 0.2 0.1 | -2.7 27 | |||||||||||||||||||
05 | 0.7 33 | 758.6 29.87 1011.38 1011.38 | 776.5 30.57 1035.25 1035.25 | -1.7 -0.07 -2.27 -2.27 | 79 | Wind blowing from the north | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | no clouds no clouds no clouds | 30.0 18.6 | -2.6 27 | |||||||||||||||||||
04 | -0.7 31 | 759.1 29.89 1012.05 1012.05 | 777.0 30.59 1035.92 1035.92 | -1.2 -0.05 -1.6 -1.6 | 90 | Wind blowing from the north-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | 30.0 18.6 | -2.2 28 | |||||||||||||||||||
03 | 2.2 36 | 759.8 29.91 1012.98 1012.98 | 777.7 30.62 1036.85 1036.85 | -0.8 -0.03 -1.07 -1.07 | 58 | Wind blowing from the north-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | 30.0 18.6 | -5.3 22 | No precipitation No precipitation | 6 | |||||||||||||||||
02 | -1.6 29 | 760.3 29.93 1013.65 1013.65 | 778.3 30.64 1037.65 1037.65 | 0.0 0 0 0 | 81 | Wind blowing from the north-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 30.0 18.6 | -4.5 24 | |||||||||||||||||||
01 | 1.6 35 | 760.3 29.93 1013.65 1013.65 | 778.3 30.64 1037.65 1037.65 | 0.0 0 0 0 | 61 | Wind blowing from the north-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 30.0 18.6 | -5.3 22 | |||||||||||||||||||
00 | 0.7 33 | 760.6 29.94 1014.05 1014.05 | 778.6 30.65 1038.05 1038.05 | 0.6 0.02 0.8 0.8 | 73 | Wind blowing from the north | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 30.0 18.6 | -3.6 26 | |||||||||||||||||||
| September 12, Saturday | 23 | 0.5 33 | 760.3 29.93 1013.65 1013.65 | 778.4 30.65 1037.78 1037.78 | 0.6 0.02 0.8 0.8 | 73 | Wind blowing from the north-northeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 30.0 18.6 | -3.8 25 | ||||||||||||||||||
22 | 1.5 35 | 760.3 29.93 1013.65 1013.65 | 778.3 30.64 1037.65 1037.65 | 0.6 0.02 0.8 0.8 | 66 | Wind blowing from the north | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 30.0 18.6 | -4.3 24 | |||||||||||||||||||
21 | 2.7 37 | 760.0 29.92 1013.25 1013.25 | 778.1 30.63 1037.38 1037.38 | 0.6 0.02 0.8 0.8 | 74 | Wind blowing from the north | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | no clouds no clouds no clouds | 1.9 35 | 10.8 51 | 30.0 18.6 | -1.5 29 | No precipitation No precipitation | 6 | |||||||||||||||
20 | 4.6 40 | 759.7 29.91 1012.85 1012.85 | 777.8 30.62 1036.98 1036.98 | 0.3 0.01 0.4 0.4 | 64 | Wind blowing from the north-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 30.0 18.6 | -1.7 29 | |||||||||||||||||||
19 | 7.0 45 | 759.7 29.91 1012.85 1012.85 | 777.6 30.61 1036.71 1036.71 | 0.3 0.01 0.4 0.4 | 54 | Wind blowing from the east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 30.0 18.6 | -1.8 29 | |||||||||||||||||||
18 | 9.0 48 | 759.4 29.9 1012.45 1012.45 | 777.4 30.61 1036.45 1036.45 | -0.3 -0.01 -0.4 -0.4 | 42 | Wind blowing from the east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 40%. 4/10. 3 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 1000-1500 3281-4921 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | -3.5 26 | ||||||||||||||
17 | 9.4 49 | 759.4 29.9 1012.45 1012.45 | 777.3 30.6 1036.32 1036.32 | -0.9 -0.04 -1.2 -1.2 | 43 | Wind blowing from the east-southeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 50%. 5/10. 4 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 50%. 5/10. 4 oktas | 1000-1500 3281-4921 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | -2.8 27 | ||||||||||||||
16 | 9.8 50 | 759.4 29.9 1012.45 1012.45 | 777.4 30.61 1036.45 1036.45 | -1.2 -0.05 -1.6 -1.6 | 40 | Wind blowing from the south-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 60%. 6/10. 5 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | -3.3 26 | ||||||||||||||
15 | 9.2 49 | 759.7 29.91 1012.85 1012.85 | 777.6 30.61 1036.71 1036.71 | -1.2 -0.05 -1.6 -1.6 | 42 | Wind blowing from the east-southeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 1000-1500 3281-4921 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 30.0 18.6 | -3.1 26 | No precipitation No precipitation | 6 | ||||||||||||