| Point Forecast: Mount Hamilton CA 37.33N 121.61W (Elev. 1154 m) |
Last Update: 6:22 am PDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (PDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°C) | 21 | 23 | 23 | 24 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 21 | 21 | 21 | 20 | 20 | 19 | 19 | 18 | 18 | 18 |
| Dewpoint (°C) | 2 | 3 | 3 | 4 | 5 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 7 | 6 | 4 | 4 | 4 | 3 | 3 | 4 | 4 | 4 |
| Heat Index (°C) | 24 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | ||||||||||||||||
| Surface Wind (mph) | 2 | 3 | 3 | 3 | 3 | 5 | 6 | 6 | 6 | 6 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | SW | SSW | SSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SSW | SSW | SSW | SSW | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 3 | 1 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 3 | 4 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 1 |
| Relative Humidity (%) | 28 | 28 | 28 | 28 | 28 | 31 | 32 | 33 | 34 | 36 | 38 | 43 | 43 | 43 | 41 | 37 | 35 | 36 | 35 | 35 | 36 | 40 | 40 | 41 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (PDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°C) | 18 | 19 | 19 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 |
| Dewpoint (°C) | 5 | 5 | 6 | 7 | 7 | 7 | 8 | 8 | 9 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 4 | 4 | 3 | 3 | 3 | 3 | 3 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | SSW | SSW | SSW | SSW | SSW | SSW | SSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 3 | 2 | 2 | 2 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 0 | 0 | 3 | 3 | 3 | 4 | 4 | 4 | 6 | 6 | 6 | 7 | 7 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 |
| Relative Humidity (%) | 41 | 40 | 40 | 40 | 40 | 41 | 41 | 42 | 42 | 41 | 41 | 41 | 41 | 41 | 40 | 39 | 38 | 38 | 37 | 37 | 38 | 39 | 39 | 39 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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