| Point Forecast: 2 Miles WNW Altadena CA 34.2N 118.17W (Elev. 365 m) |
Last Update: 1:34 pm PDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (PDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°C) | 29 | 30 | 30 | 28 | 27 | 25 | 22 | 20 | 20 | 19 | 19 | 18 | 17 | 17 | 17 | 16 | 16 | 18 | 21 | 23 | 24 | 26 | 28 | 30 |
| Dewpoint (°C) | 14 | 14 | 14 | 13 | 12 | 12 | 12 | 13 | 14 | 13 | 15 | 14 | 15 | 14 | 14 | 13 | 14 | 16 | 17 | 17 | 17 | 18 | 18 | 18 |
| Heat Index (°C) | 29 | 29 | 29 | 28 | 27 | 25 | 24 | 26 | 29 | 31 | ||||||||||||||
| Surface Wind (mph) | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 8 | 8 | 8 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SSW | SSW | SSW | S | S | S | SE | SE | SE | SSE | SSE | SSE | S | S | S | SSW | SSW | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 8 | 8 | 8 | 8 | 8 | 8 | 41 | 41 | 41 | 41 | 41 | 41 | 5 | 5 | 5 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 7 | 7 | 7 | 7 | 0 | 0 | 0 |
| Relative Humidity (%) | 43 | 41 | 39 | 40 | 40 | 46 | 55 | 65 | 72 | 75 | 82 | 84 | 91 | 89 | 90 | 90 | 93 | 92 | 87 | 78 | 69 | 65 | 58 | 54 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (PDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°C) | 31 | 31 | 30 | 29 | 27 | 24 | 22 | 20 | 19 | 19 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 17 | 18 | 20 | 22 | 23 | 25 | 27 |
| Dewpoint (°C) | 18 | 18 | 17 | 17 | 16 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 14 | 16 | 16 | 17 | 17 | 17 | 18 |
| Heat Index (°C) | 32 | 31 | 31 | 29 | 27 | 24 | 25 | 28 | ||||||||||||||||
| Surface Wind (mph) | 9 | 9 | 9 | 9 | 9 | 9 | 7 | 7 | 7 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 7 | 7 | 7 |
| Wind Dir | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | S | S | S | S | S | SSE | SSE | SSE | S | S | S | SSW | SSW | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 68 | 68 | 68 | 68 | 68 | 68 | 64 | 64 | 64 | 64 | 64 | 64 | 5 | 5 | 5 |
| Precipitation Potential (%) | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 9 | 9 | 9 | 9 | 9 | 9 | 0 | 0 | 0 |
| Relative Humidity (%) | 52 | 51 | 51 | 51 | 54 | 58 | 68 | 79 | 82 | 85 | 89 | 93 | 96 | 97 | 96 | 95 | 94 | 93 | 91 | 86 | 80 | 73 | 67 | 62 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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