| Point Forecast: 9 Miles SW Chester CA 40.2N 121.35W (Elev. 1767 m) |
Last Update: 5:21 am PDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (PDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°C) | 17 | 17 | 20 | 21 | 23 | 24 | 25 | 26 | 26 | 26 | 26 | 25 | 24 | 23 | 21 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 15 |
| Dewpoint (°C) | -1 | 1 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 6 | 7 | 6 | 6 | 6 | 6 | 5 | 3 | 4 | 4 | 4 | 3 | 3 | 4 | 3 |
| Heat Index (°C) | 24 | 25 | 26 | 26 | 26 | 26 | 25 | 24 | ||||||||||||||||
| Surface Wind (mph) | 1 | 1 | 2 | 3 | 6 | 8 | 9 | 10 | 10 | 10 | 11 | 10 | 10 | 9 | 8 | 6 | 6 | 3 | 3 | 3 | 2 | 2 | 2 | 2 |
| Wind Dir | N | NNW | SE | SSE | SSE | SSW | SW | SW | SW | SW | SW | SW | SW | SW | WSW | WSW | W | WNW | WNW | W | W | SE | SSE | ESE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 3 | 6 | 4 | 2 | 2 | 1 | 2 | 3 | 4 | 3 | 3 | 3 | 4 | 4 | 4 | 2 |
| 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 (%) | 30 | 33 | 30 | 30 | 27 | 24 | 26 | 25 | 27 | 29 | 31 | 30 | 32 | 34 | 36 | 38 | 36 | 38 | 42 | 42 | 41 | 43 | 45 | 44 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (PDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°C) | 15 | 16 | 18 | 20 | 22 | 23 | 24 | 24 | 25 | 25 | 24 | 24 | 23 | 22 | 20 | 19 | 18 | 17 | 16 | 16 | 16 | 15 | 14 | 14 |
| Dewpoint (°C) | 3 | 4 | 4 | 5 | 5 | 4 | 4 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 6 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 |
| Heat Index (°C) | 24 | 24 | 25 | 25 | 24 | 24 | ||||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 7 | 7 | 7 | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 8 | 8 | 3 | 3 | 3 | 2 | 2 | 2 | 2 |
| Wind Dir | ESE | ESE | SSE | SSE | SSE | SSW | SSW | SSW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | WNW | WNW | WNW | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 2 | 3 | 3 | 3 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 0 | 0 | 0 | 2 | 2 | 2 | 2 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 45 | 45 | 39 | 38 | 34 | 29 | 28 | 28 | 29 | 30 | 31 | 33 | 35 | 38 | 40 | 41 | 41 | 42 | 43 | 45 | 46 | 47 | 47 | 47 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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