


Point Forecast: 2 Miles WNW Altadena CA 34.2N 118.17W (Elev. 1198 ft) |
Last Update: 1:34 pm PDT Jul 13, 2025 |
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Date | 07/13 | 07/14 | ||||||||||||||||||||||
Hour (PDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
Temperature (°F) | 81 | 77 | 71 | 68 | 68 | 66 | 66 | 65 | 63 | 62 | 62 | 60 | 61 | 65 | 69 | 73 | 75 | 79 | 83 | 86 | 87 | 87 | 86 | 84 |
Dewpoint (°F) | 53 | 54 | 53 | 55 | 57 | 56 | 59 | 58 | 59 | 57 | 57 | 56 | 57 | 61 | 63 | 63 | 62 | 64 | 64 | 65 | 65 | 64 | 63 | 62 |
Heat Index (°F) | 80 | 77 | 75 | 79 | 84 | 88 | 89 | 88 | 87 | 85 | ||||||||||||||
Surface Wind (mph) | 8 | 8 | 7 | 7 | 7 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 8 | 8 | 8 | 9 | 9 | 9 | 9 |
Wind Dir | SW | SW | SSW | SSW | SSW | S | S | S | SE | SE | SE | SSE | SSE | SSE | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW |
Gust | ||||||||||||||||||||||||
Sky Cover (%) | 5 | 5 | 5 | 5 | 5 | 8 | 8 | 8 | 8 | 8 | 8 | 41 | 41 | 41 | 41 | 41 | 41 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 7 | 7 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
Relative Humidity (%) | 40 | 46 | 55 | 65 | 72 | 75 | 82 | 84 | 91 | 89 | 90 | 90 | 93 | 92 | 87 | 78 | 69 | 65 | 58 | 54 | 52 | 51 | 51 | 51 |
Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Date | 07/15 | |||||||||||||||||||||||
Hour (PDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
Temperature (°F) | 80 | 76 | 71 | 68 | 67 | 66 | 64 | 63 | 62 | 60 | 60 | 59 | 59 | 62 | 65 | 68 | 72 | 74 | 77 | 81 | 82 | 81 | 80 | 77 |
Dewpoint (°F) | 60 | 58 | 58 | 59 | 59 | 59 | 59 | 59 | 59 | 58 | 57 | 56 | 56 | 58 | 60 | 61 | 63 | 62 | 63 | 64 | 63 | 62 | 61 | 60 |
Heat Index (°F) | 81 | 76 | 77 | 83 | 83 | 82 | 81 | 77 | ||||||||||||||||
Surface Wind (mph) | 9 | 9 | 7 | 7 | 7 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 7 | 7 | 7 | 8 | 8 | 8 | 7 |
Wind Dir | SSW | SSW | SSW | SSW | SSW | S | S | S | S | S | S | SSE | SSE | SSE | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW |
Gust | ||||||||||||||||||||||||
Sky Cover (%) | 5 | 5 | 5 | 5 | 5 | 68 | 68 | 68 | 68 | 68 | 68 | 64 | 64 | 64 | 64 | 64 | 64 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 9 | 9 | 9 | 9 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
Relative Humidity (%) | 54 | 58 | 68 | 79 | 82 | 85 | 89 | 93 | 96 | 97 | 96 | 95 | 94 | 93 | 91 | 86 | 80 | 73 | 67 | 62 | 58 | 56 | 56 | 59 |
Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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