| Point Forecast: 2 Miles NW Brentwood CA 37.95N 121.71W (Elev. 82 ft) |
Last Update: 1:26 pm PDT Sep 13, 2026 |
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| Date | 09/13 | 09/14 | ||||||||||||||||||||||
| Hour (PDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 81 | 81 | 80 | 76 | 72 | 70 | 68 | 66 | 65 | 63 | 62 | 61 | 60 | 59 | 60 | 58 | 62 | 67 | 74 | 78 | 82 | 84 | 87 | 89 |
| Dewpoint (°F) | 39 | 39 | 42 | 43 | 45 | 46 | 46 | 46 | 46 | 46 | 46 | 45 | 44 | 44 | 44 | 43 | 43 | 43 | 46 | 45 | 48 | 47 | 47 | 49 |
| Heat Index (°F) | 79 | 79 | 79 | 76 | 78 | 80 | 82 | 84 | 86 | |||||||||||||||
| Surface Wind (mph) | 9 | 10 | 10 | 8 | 6 | 5 | 5 | 5 | 5 | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 9 | 9 | 9 | 9 |
| Wind Dir | WNW | W | W | W | W | SW | WSW | W | W | W | W | WNW | W | WNW | W | W | W | NW | NW | NW | WNW | WNW | WNW | WNW |
| Gust | 18 | 18 | 18 | 18 | ||||||||||||||||||||
| Sky Cover (%) | 1 | 2 | 1 | 5 | 3 | 11 | 7 | 12 | 9 | 11 | 1 | 6 | 5 | 7 | 7 | 15 | 7 | 6 | 2 | 3 | 3 | 5 | 2 | 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 (%) | 22 | 23 | 26 | 31 | 37 | 42 | 47 | 49 | 51 | 53 | 55 | 56 | 57 | 57 | 56 | 56 | 50 | 42 | 37 | 31 | 30 | 28 | 25 | 25 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/15 | |||||||||||||||||||||||
| Hour (PDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 89 | 88 | 87 | 82 | 77 | 74 | 71 | 68 | 66 | 64 | 62 | 60 | 59 | 58 | 58 | 58 | 60 | 65 | 71 | 76 | 81 | 84 | 87 | 89 |
| Dewpoint (°F) | 49 | 48 | 48 | 47 | 48 | 48 | 48 | 50 | 50 | 50 | 51 | 51 | 51 | 51 | 51 | 52 | 52 | 53 | 54 | 53 | 53 | 53 | 54 | 53 |
| Heat Index (°F) | 86 | 85 | 84 | 81 | 77 | 76 | 80 | 83 | 85 | 87 | ||||||||||||||
| Surface Wind (mph) | 9 | 8 | 8 | 8 | 5 | 5 | 5 | 3 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 6 | 6 |
| Wind Dir | WNW | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW | ESE | ESE | ESE | SW | SW | SW | WSW | WSW | WSW | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 13 | 13 | 13 | 26 | 26 | 26 | 8 | 8 | 8 | 0 | 0 | 0 | 1 | 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 (%) | 25 | 25 | 26 | 29 | 35 | 40 | 45 | 51 | 56 | 61 | 66 | 70 | 75 | 77 | 77 | 77 | 75 | 67 | 55 | 44 | 38 | 34 | 32 | 30 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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