| Point Forecast: 2 Miles WNW Altadena CA 34.2N 118.17W (Elev. 365 m) |
Last Update: 10:02 pm PDT Sep 17, 2024 |
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| Date | 09/18 | 09/19 | ||||||||||||||||||||||
| Hour (PDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°C) | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 16 | 18 | 19 | 21 | 22 | 23 | 23 | 23 | 22 | 21 | 19 | 17 | 16 | 15 | 15 | 15 | 14 |
| Dewpoint (°C) | 13 | 13 | 13 | 13 | 12 | 12 | 14 | 14 | 14 | 15 | 14 | 14 | 14 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | SE | SE | SE | SSE | SSE | SSE | SSE | SSE | SSE | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 2 | 2 | 2 | 2 | 2 | 2 | 16 | 16 | 16 | 16 | 16 | 16 | 60 | 60 | 60 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 11 | 11 | 11 |
| Relative Humidity (%) | 100 | 100 | 100 | 100 | 100 | 99 | 100 | 97 | 86 | 80 | 70 | 64 | 59 | 61 | 66 | 67 | 69 | 80 | 91 | 96 | 98 | 99 | 100 | 99 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/20 | |||||||||||||||||||||||
| Hour (PDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°C) | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 16 | 17 | 18 | 19 | 21 | 22 | 22 | 22 | 21 | 19 | 18 | 16 | 15 | 15 | 14 | 14 | 14 |
| Dewpoint (°C) | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 16 | 17 | 17 | 17 | 16 | 16 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | SSE | SSE | SSE | SE | SE | SE | SSE | SSE | SSE | S | S | S | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 53 | 53 | 53 | 53 | 53 | 53 | 30 | 30 | 30 | 30 | 30 | 30 | 21 | 21 | 21 |
| Precipitation Potential (%) | 11 | 11 | 11 | 36 | 36 | 36 | 36 | 36 | 36 | 29 | 29 | 29 | 29 | 29 | 29 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Relative Humidity (%) | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 97 | 90 | 83 | 77 | 75 | 77 | 81 | 87 | 94 | 98 | 100 | 99 | 98 | 98 | 98 |
| Rain | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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