Météo à 3 jours pour Alta
Prévisions heure par heure sur 3 jours pour Alta (California, États-Unis), en heure locale (UTC−8). Modèles : RRFS 3 km (run 11/11 18Z) puis GFS 0,25° (run 11/11 12Z).
Autres villes : Alta (Finnmark, Norvège), Älta (Stockholm, Suède), Alta (Iowa, États-Unis)
| Jour | Heure | Temps | T °C (ressenti) |
Vent (km/h) | Humidité % |
Pluie mm |
Pression hPa |
||
|---|---|---|---|---|---|---|---|---|---|
| moy. | raf. | dir. | |||||||
| Mer. 11 Nov. UV 3 | 12h |  | 21°C (21) | 12 | 25 |  | 17% | -- | 1017 hPa |
| 13h | | 21°C (21) | 12 | 24 | | 18% | -- | 1016 hPa | |
| 14h | | 20°C (20) | 11 | 23 | | 20% | -- | 1015 hPa | |
| 15h | | 20°C (20) | 9 | 20 | | 22% | -- | 1016 hPa | |
| 16h | | 20°C (20) | 9 | 22 |  | 23% | -- | 1015 hPa | |
| 17h | | 16°C (16) | 6 | 12 | | 31% | -- | 1014 hPa | |
| 18h |  | 14°C (14) | 3 | 6 |  | 37% | -- | 1015 hPa | |
| 19h | | 13°C (12) | 10 | 11 |  | 36% | -- | 1015 hPa | |
| 20h | | 13°C (12) | 10 | 11 | | 34% | -- | 1015 hPa | |
| 21h | | 13°C (12) | 12 | 15 | | 31% | -- | 1015 hPa | |
| 22h | | 12°C (11) | 11 | 14 | | 27% | -- | 1015 hPa | |
| 23h | | 12°C (10) | 12 | 15 | | 22% | -- | 1015 hPa | |
| Jeu. 12 Nov. UV 3 | 00h | | 12°C (10) | 12 | 16 | | 22% | -- | 1015 hPa |
| 01h | | 12°C (10) | 13 | 18 | | 22% | -- | 1014 hPa | |
| 02h | | 11°C (9) | 11 | 14 | | 22% | -- | 1014 hPa | |
| 03h | | 11°C (9) | 12 | 14 | | 21% | -- | 1014 hPa | |
| 04h | | 11°C (9) | 12 | 16 | | 21% | -- | 1013 hPa | |
| 05h | | 10°C (8) | 12 | 18 | | 23% | -- | 1013 hPa | |
| 06h | | 10°C (8) | 12 | 18 | | 24% | -- | 1013 hPa | |
| 07h | | 10°C (8) | 12 | 18 | | 25% | -- | 1013 hPa | |
| 08h | | 13°C (11) | 9 | 17 | | 23% | -- | 1013 hPa | |
| 09h | | 17°C (16) | 9 | 26 | | 18% | -- | 1013 hPa | |
| 10h | | 18°C (17) | 15 | 37 | | 17% | -- | 1012 hPa | |
| 11h | | 19°C (18) | 18 | 41 | | 18% | -- | 1011 hPa | |
| 12h | | 19°C (18) | 18 | 39 | | 21% | -- | 1010 hPa | |
| 13h | | 18°C (17) | 16 | 38 | | 30% | -- | 1010 hPa | |
| 14h | | 18°C (17) | 17 | 39 | | 34% | -- | 1009 hPa | |
| 15h | | 17°C (16) | 16 | 36 | | 36% | -- | 1008 hPa | |
| 16h | | 16°C (14) | 13 | 32 | | 42% | -- | 1008 hPa | |
| 17h | | 14°C (13) | 7 | 19 | | 53% | -- | 1008 hPa | |
| 18h |  | 12°C (11) | 8 | 14 | | 60% | -- | 1008 hPa | |
| 19h |  | 12°C (11) | 10 | 14 | | 60% | -- | 1008 hPa | |
| 20h | | 10°C (8) | 7 | 17 | | 72% | -- | 1009 hPa | |
| 21h | | 8°C (6) | 7 | 9 | | 99% | -- | 1009 hPa | |
| 22h | | 8°C (7) | 4 | 8 | | 98% | -- | 1009 hPa | |
| 23h | | 8°C (5) | 7 | 15 | | 100% | -- | 1010 hPa | |
| Ven. 13 Nov. UV 2 | 00h | | 9°C (6) | 8 | 19 | | 95% | -- | 1009 hPa |
| 01h | | 9°C (6) | 6 | 19 | | 93% | -- | 1009 hPa | |
| 02h |  | 9°C (6) | 9 | 25 | | 90% | -- | 1009 hPa | |
| 03h |  | 8°C (4) | 15 | 28 | | 98% | -- | 1008 hPa | |
| 04h |  | 8°C (4) | 14 | 33 | | 95% | 0.4 mm | 1008 hPa | |
| 05h | | 8°C (4) | 11 | 27 | | 93% | 0.3 mm | 1008 hPa | |
| 06h |  | 8°C (4) | 15 | 36 | | 92% | 0.3 mm | 1007 hPa | |
| 07h |  | 8°C (3) | 18 | 46 | | 86% | -- | 1007 hPa | |
| 08h | | 9°C (4) | 22 | 56 | | 85% | -- | 1006 hPa | |
| 09h | | 10°C (5) | 27 | 61 | | 79% | -- | 1005 hPa | |
| 10h | | 10°C (5) | 26 | 62 | | 83% | 0.4 mm | 1004 hPa | |
| 11h | | 9°C (3) | 31 | 71 | | 86% | 1.9 mm | 1004 hPa | |
| 12h | | 9°C (3) | 30 | 72 | | 94% | 2.1 mm | 1004 hPa | |
| 13h | | 8°C (2) | 30 | 68 | | 95% | 4.8 mm | 1003 hPa | |
| 14h | | 8°C (2) | 29 | 66 | | 98% | 7.9 mm | 1003 hPa | |
| 15h | | 7°C (2) | 25 | 49 |  | 100% | 12.3 mm | 1003 hPa | |
| 16h | | 6°C (0) | 23 | 48 | | 100% | 10.6 mm | 1005 hPa | |
| 17h | | 6°C (1) | 18 | 37 | | 100% | 3.1 mm | 1006 hPa | |
| 18h | | 6°C (1) | 18 | 35 | | 100% | -- | 1007 hPa | |
| 19h | | 5°C (0) | 17 | 30 | | 97% | 1.2 mm | 1008 hPa | |
| 20h | | 5°C (0) | 15 | 29 | | 96% | -- | 1009 hPa | |
| 21h | | 6°C (2) | 14 | 26 | | 94% | -- | 1010 hPa | |
| 22h | | 5°C (1) | 11 | 21 | | 94% | -- | 1011 hPa | |
| 23h |  | 6°C (2) | 11 | 20 | | 94% | 0.3 mm | 1011 hPa | |
| Sam. 14 Nov. UV 1 | 00h | | 5°C (2) | 9 | 17 | | 95% | -- | 1012 hPa |
| 01h | | 5°C (2) | 7 | 16 | | 95% | -- | 1012 hPa | |
| 02h | | 5°C (2) | 3 | 12 | | 93% | -- | 1013 hPa | |
| 03h | | 5°C (2) | 3 | 13 | | 95% | -- | 1013 hPa | |
| 04h |  | 4°C (1) | 6 | 11 | | 96% | -- | 1014 hPa | |
| 05h |  | 4°C (2) | 7 | 8 | | 94% | -- | 1014 hPa | |
| 06h | | 4°C (2) | 7 | 9 | | 93% | -- | 1014 hPa | |
| 07h |  | 3°C (0) | 8 | 10 | | 91% | -- | 1015 hPa | |
| 08h | | 5°C (2) | 7 | 15 | | 82% | -- | 1015 hPa | |
| 09h | | 7°C (4) | 7 | 15 | | 73% | -- | 1015 hPa | |
| 10h | | 9°C (8) | 3 | 8 | | 65% | -- | 1015 hPa | |
| 11h | | 10°C (9) | 2 | 7 | | 59% | -- | 1014 hPa | |
| 12h | | 10°C (9) | 5 | 10 | | 59% | -- | 1014 hPa | |
| 13h | | 10°C (9) | 6 | 8 | | 60% | -- | 1014 hPa | |
| 14h | | 10°C (9) | 6 | 9 | | 61% | -- | 1014 hPa | |
| 15h | | 10°C (9) | 5 | 9 | | 63% | -- | 1014 hPa | |
| 16h | | 9°C (8) | 4 | 8 | | 70% | -- | 1014 hPa | |
| 17h |  | 6°C (5) | 1 | 7 | | 83% | -- | 1015 hPa | |
| 18h | | 6°C (4) | 6 | 8 | | 85% | -- | 1016 hPa | |
| 19h | | 5°C (3) | 8 | 9 | | 84% | -- | 1017 hPa | |
| 20h | | 5°C (3) | 8 | 8 | | 81% | -- | 1017 hPa | |
| 21h | | 5°C (3) | 8 | 8 | | 78% | -- | 1017 hPa | |
| 22h | | 5°C (3) | 9 | 8 | | 75% | -- | 1017 hPa | |
| 23h | | 5°C (4) | 8 | 6 | | 76% | -- | 1018 hPa | |
| Dim. 15 Nov. | 00h | | 5°C (4) | 8 | 6 | | 76% | -- | 1018 hPa |
| 01h | | 5°C (4) | 8 | 6 | | 76% | -- | 1018 hPa | |
| 02h | | 5°C (4) | 8 | 6 | | 77% | -- | 1018 hPa | |
| 03h | | 5°C (3) | 8 | 7 | | 78% | -- | 1019 hPa | |
| 04h | | 5°C (3) | 9 | 7 | | 79% | -- | 1019 hPa | |
| 05h | | 5°C (3) | 9 | 10 | | 79% | -- | 1019 hPa | |
| 06h | | 4°C (2) | 9 | 7 | | 80% | -- | 1019 hPa | |
| 07h | | 4°C (2) | 9 | 9 | | 80% | -- | 1019 hPa | |
| 08h | | 7°C (5) | 7 | 9 | | 72% | -- | 1019 hPa | |
| 09h | | 10°C (9) | 4 | 8 | | 59% | -- | 1018 hPa | |
| 10h | | 12°C (10) | 8 | 18 | | 51% | -- | 1018 hPa | |
| 11h | | 12°C (10) | 10 | 19 | | 48% | -- | 1018 hPa | |
| 12h | | 13°C (11) | 11 | 19 | | 46% | -- | 1017 hPa | |
| 13h | | 13°C (11) | 11 | 19 | | 47% | -- | 1016 hPa | |
| 14h | | 13°C (11) | 11 | 19 | | 49% | -- | 1016 hPa | |
| 15h | | 12°C (10) | 11 | 17 | | 53% | -- | 1016 hPa | |
| 16h | | 10°C (8) | 8 | 13 | | 63% | -- | 1017 hPa | |
| 17h | | 7°C (7) | 1 | 2 | | 78% | -- | 1018 hPa | |
| 18h | | 6°C (5) | 7 | 6 | | 81% | -- | 1019 hPa | |
| 19h | | 6°C (4) | 8 | 8 | | 81% | -- | 1019 hPa | |
| 20h | | 7°C (5) | 8 | 9 | | 79% | -- | 1019 hPa | |
| 21h | | 7°C (6) | 7 | 8 | | 76% | -- | 1018 hPa | |
| 22h | | 7°C (6) | 5 | 5 | | 78% | -- | 1018 hPa | |
| 23h | | 7°C (7) | 4 | 4 | | 78% | -- | 1018 hPa | |
| Lun. 16 Nov. | 00h | | 7°C (7) | 4 | 4 | | 79% | -- | 1018 hPa |
| 01h | | 7°C (7) | 2 | 2 |  | 80% | 0.2 mm | 1018 hPa | |
| 02h | | 7°C (6) | 5 | 5 | | 80% | 0.3 mm | 1018 hPa | |
| 03h | | 7°C (6) | 6 | 7 | | 81% | -- | 1018 hPa | |
| 04h | | 7°C (6) | 5 | 6 | | 81% | -- | 1017 hPa | |
Point modèle utilisé : latitude 39.21°N, longitude -120.81°E, altitude 1093.6 m
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