Weather archive in San Ramon
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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 October 15, Thursday | 11 | 28.0 82 | 746.9 29.41 995.79 995.79 | 758.9 29.88 1011.78 1011.78 | 1.0 0.04 1.33 1.33 | 85 | Wind blowing from the south | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e. estimated to be more than 5 km from the station. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 60%. 6/10. 5 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. | No Cirrus, Cirrocumulus or Cirrostratus. | 8.0 5.0 | 25.3 78 | ||||||||||
08 | 26.5 80 | 745.9 29.37 994.45 994.45 | 757.9 29.84 1010.45 1010.45 | 93 | Wind blowing from the north-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 60%. 6/10. 5 oktas | 24.3 76 | 36.1 97 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 oktas | 2000-2500 6562-8202 | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 25.3 78 | Dry (without cracks, no appreciable amount of dust or loose sand) | ||||||||||||
| October 14, Wednesday | 17 | 32.5 91 | 742.8 29.24 990.32 990.32 | 754.6 29.71 1006.05 1006.05 | -1.3 -0.05 -1.73 -1.73 | 65 | 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 | Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 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. | 36.1 97 | 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 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole. | 8.0 5.0 | 25.2 77 | |||||||||
14 | 35.6 96 | 744.1 29.3 992.05 992.05 | 755.8 29.76 1007.65 1007.65 | -2.1 -0.08 -2.8 -2.8 | 54 | Wind blowing from the north | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 60%. 6/10. 5 oktas | Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 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. | 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 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole. | 8.0 5.0 | 25.0 77 | |||||||||||
11 | 32.7 91 | 746.2 29.38 994.85 994.85 | 758.1 29.85 1010.72 1010.72 | 0.5 0.02 0.67 0.67 | 62 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 50%. 5/10. 4 oktas | Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes. | 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. | 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. | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 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. | 8.0 5.0 | 24.6 76 | |||||||||||