| Point Forecast: 12 Miles NE Mount Wilson CA 34.36N 117.89W (Elev. 6654 ft) |
Last Update: 11:26 am PDT Aug 17, 2026 |
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| Date | 08/17 | 08/18 | ||||||||||||||||||||||
| Hour (PDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°F) | 78 | 77 | 77 | 77 | 75 | 75 | 71 | 69 | 69 | 69 | 68 | 68 | 68 | 68 | 67 | 69 | 68 | 68 | 71 | 75 | 76 | 78 | 78 | 80 |
| Dewpoint (°F) | 39 | 40 | 40 | 41 | 40 | 41 | 38 | 35 | 30 | 30 | 29 | 29 | 29 | 28 | 27 | 29 | 28 | 29 | 31 | 34 | 34 | 37 | 38 | 41 |
| Heat Index (°F) | 78 | 77 | 77 | 77 | 75 | 75 | 75 | 76 | 78 | 78 | 79 | |||||||||||||
| Surface Wind (mph) | 7 | 10 | 10 | 10 | 10 | 10 | 10 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 |
| Wind Dir | SSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | W | W | W | SW | SW | SW | WSW | WSW | WSW | SW | SW |
| Gust | 15 | 15 | 15 | 15 | 15 | 15 | ||||||||||||||||||
| Sky Cover (%) | 51 | 51 | 51 | 51 | 28 | 28 | 28 | 28 | 28 | 28 | 35 | 35 | 35 | 35 | 35 | 35 | 15 | 15 | 15 | 15 | 15 | 15 | 25 | 25 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 25 | 27 | 27 | 28 | 28 | 30 | 30 | 28 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 23 | 24 | 25 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/19 | |||||||||||||||||||||||
| Hour (PDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°F) | 80 | 79 | 79 | 79 | 76 | 76 | 72 | 69 | 70 | 70 | 68 | 68 | 68 | 67 | 68 | 68 | 67 | 67 | 70 | 76 | 77 | 78 | 80 | 80 |
| Dewpoint (°F) | 41 | 41 | 41 | 42 | 40 | 41 | 38 | 35 | 34 | 31 | 28 | 29 | 28 | 27 | 27 | 25 | 25 | 25 | 27 | 32 | 33 | 35 | 37 | 38 |
| Heat Index (°F) | 79 | 79 | 79 | 79 | 76 | 76 | 76 | 77 | 78 | 79 | 79 | |||||||||||||
| Surface Wind (mph) | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 2 | 2 | 2 | 5 | 5 | 5 | 6 | 6 | 6 | 3 | 3 | 3 | 5 | 5 | 5 | 8 | 8 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 17 | 17 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 25 | 26 | 26 | 27 | 27 | 28 | 29 | 28 | 26 | 23 | 22 | 23 | 22 | 22 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 22 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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