| Point Forecast: Antioch CA 38N 121.81W (Elev. 11 m) |
Last Update: 2:01 am PDT Oct 7, 2026 |
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| Date | 10/07 | 10/08 | ||||||||||||||||||||||
| Hour (PDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°C) | 22 | 21 | 20 | 20 | 20 | 20 | 24 | 27 | 29 | 30 | 33 | 35 | 36 | 36 | 36 | 35 | 33 | 31 | 27 | 26 | 24 | 24 | 23 | 22 |
| Dewpoint (°C) | 10 | 10 | 10 | 11 | 11 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 11 | 9 | 9 | 9 | 9 | 9 | 9 |
| Heat Index (°C) | 24 | 27 | 28 | 29 | 31 | 33 | 34 | 34 | 35 | 33 | 32 | 29 | 27 | 26 | 24 | 24 | ||||||||
| Surface Wind (mph) | 5 | 5 | 3 | 3 | 2 | 3 | 3 | 5 | 7 | 7 | 8 | 9 | 10 | 10 | 10 | 8 | 7 | 5 | 5 | 3 | 5 | 5 | 5 | 5 |
| Wind Dir | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 3 | 3 | 2 | 2 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 4 | 1 | 0 | 1 | 1 | 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 (%) | 47 | 49 | 52 | 54 | 57 | 57 | 49 | 43 | 38 | 34 | 29 | 25 | 23 | 22 | 22 | 24 | 27 | 31 | 33 | 35 | 38 | 39 | 42 | 46 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 10/09 | |||||||||||||||||||||||
| Hour (PDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°C) | 21 | 20 | 19 | 18 | 18 | 19 | 22 | 26 | 28 | 29 | 32 | 34 | 35 | 36 | 36 | 34 | 32 | 30 | 28 | 26 | 24 | 23 | 22 | 21 |
| Dewpoint (°C) | 9 | 9 | 10 | 10 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 10 | 11 |
| Heat Index (°C) | 26 | 27 | 28 | 31 | 33 | 33 | 34 | 34 | 33 | 31 | 29 | 27 | 26 | 24 | ||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | W | W | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 3 | 3 | 7 | 7 | 7 | 5 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 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 (%) | 49 | 52 | 54 | 56 | 60 | 60 | 51 | 43 | 38 | 34 | 29 | 26 | 23 | 22 | 21 | 23 | 27 | 31 | 33 | 35 | 38 | 42 | 46 | 50 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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