| Point Forecast: Mount Hamilton CA 37.33N 121.61W (Elev. 3786 ft) |
Last Update: 1:26 pm PDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| 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) | 74 | 73 | 71 | 70 | 70 | 69 | 68 | 66 | 66 | 65 | 64 | 64 | 63 | 64 | 65 | 65 | 67 | 69 | 70 | 72 | 72 | 72 | 73 | 72 |
| Dewpoint (°F) | 49 | 47 | 46 | 43 | 40 | 38 | 39 | 38 | 38 | 38 | 38 | 38 | 38 | 39 | 40 | 40 | 40 | 42 | 44 | 45 | 46 | 46 | 46 | 45 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 |
| Wind Dir | SW | SW | SSW | SSW | SSW | SW | SSW | SW | SW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 1 | 0 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 3 | 5 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 40 | 40 | 40 | 38 | 33 | 33 | 35 | 36 | 35 | 37 | 37 | 38 | 40 | 40 | 40 | 39 | 37 | 37 | 38 | 38 | 40 | 40 | 39 | 39 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| 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) | 70 | 71 | 69 | 67 | 67 | 67 | 66 | 65 | 65 | 64 | 63 | 63 | 64 | 65 | 66 | 68 | 70 | 72 | 73 | 73 | 74 | 74 | 75 | 75 |
| Dewpoint (°F) | 44 | 44 | 43 | 42 | 41 | 41 | 40 | 40 | 39 | 38 | 38 | 38 | 38 | 39 | 40 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 46 | 46 |
| Heat Index (°F) | 75 | 75 | ||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 6 | 6 | 6 | 6 |
| Wind Dir | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | WSW | WSW | WSW | SW | SW | SW | SSW | SSW | SSW | SW | SW | SW | WSW | WSW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 1 | 0 | 1 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 7 | 7 | 7 | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 38 | 37 | 36 | 35 | 34 | 34 | 35 | 36 | 36 | 36 | 36 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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