| Point Forecast: 2 Miles NW Brentwood CA 37.95N 121.71W (Elev. 25 m) |
Last Update: 4:57 am PDT Oct 8, 2026 |
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| Date | 10/08 | 10/09 | ||||||||||||||||||||||
| Hour (PDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°C) | 19 | 22 | 27 | 30 | 32 | 34 | 36 | 36 | 36 | 36 | 35 | 32 | 28 | 27 | 26 | 24 | 24 | 23 | 21 | 21 | 19 | 18 | 18 | 18 |
| Dewpoint (°C) | 10 | 11 | 11 | 11 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 10 | 11 | 11 |
| Heat Index (°C) | 27 | 29 | 31 | 33 | 34 | 35 | 34 | 34 | 33 | 30 | 28 | 26 | 26 | 24 | 24 | |||||||||
| Surface Wind (mph) | 3 | 2 | 2 | 5 | 5 | 6 | 6 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | WNW | WNW | NW | NW | NW | NW | NW | NW | WNW | WNW | WNW | WNW | W | W | W | W | W | WSW | WSW | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 2 | 1 | 2 | 0 | 3 | 3 | 2 | 8 | 8 | 8 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 56 | 46 | 37 | 32 | 29 | 25 | 23 | 21 | 20 | 21 | 22 | 26 | 31 | 33 | 34 | 36 | 38 | 41 | 47 | 50 | 54 | 58 | 62 | 66 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 10/10 | |||||||||||||||||||||||
| Hour (PDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°C) | 18 | 22 | 26 | 28 | 30 | 32 | 32 | 33 | 32 | 31 | 30 | 27 | 24 | 22 | 21 | 21 | 19 | 18 | 18 | 17 | 16 | 16 | 16 | 16 |
| Dewpoint (°C) | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Heat Index (°C) | 26 | 28 | 29 | 31 | 32 | 32 | 31 | 30 | 29 | 27 | 24 | |||||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 7 | 7 | 7 | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 |
| Wind Dir | W | W | W | WNW | WNW | WNW | W | W | W | W | W | W | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 35 | 35 | 35 | 31 | 31 | 31 | 15 | 15 | 15 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 5 | 4 | 4 | 4 | 14 | 14 | 14 |
| 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 (%) | 64 | 53 | 43 | 38 | 35 | 32 | 30 | 30 | 31 | 33 | 36 | 42 | 49 | 53 | 56 | 59 | 63 | 67 | 71 | 74 | 76 | 78 | 80 | 80 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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