| Point Forecast: 3 Miles S Tracy CA 37.7N 121.44W (Elev. 48 m) |
Last Update: 2:00 pm PDT Jul 12, 2026 |
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| Date | 07/12 | 07/13 | ||||||||||||||||||||||
| Hour (PDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°C) | 30 | 29 | 28 | 28 | 27 | 27 | 26 | 24 | 24 | 23 | 22 | 22 | 24 | 26 | 28 | 30 | 31 | 32 | 34 | 34 | 35 | 36 | 35 | 35 |
| Dewpoint (°C) | 11 | 11 | 10 | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 11 | 12 | 11 | 12 | 12 | 12 | 13 | 14 | 13 | 13 | 13 | 13 | 13 |
| Heat Index (°C) | 29 | 28 | 27 | 28 | 27 | 27 | 26 | 24 | 24 | 24 | 26 | 28 | 29 | 30 | 31 | 33 | 33 | 34 | 34 | 34 | 34 | |||
| Surface Wind (mph) | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 7 |
| Wind Dir | WNW | WNW | W | W | W | W | ENE | NNE | WNW | WNW | WNW | NW | NNE | N | N | NNW | NNW | NW | WNW | WNW | WNW | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 63 | 70 | 59 | 56 | 77 | 65 | 68 | 78 | 81 | 73 | 70 | 61 | 62 | 71 | 75 | 46 | 50 | 52 | 57 | 49 | 37 | 19 | 19 | 19 |
| Precipitation Potential (%) | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 0 | 1 | 0 |
| Relative Humidity (%) | 31 | 32 | 32 | 33 | 34 | 35 | 38 | 41 | 44 | 47 | 47 | 47 | 47 | 41 | 37 | 34 | 32 | 31 | 30 | 28 | 27 | 26 | 26 | 26 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/14 | |||||||||||||||||||||||
| Hour (PDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°C) | 33 | 31 | 31 | 30 | 29 | 28 | 27 | 25 | 24 | 23 | 22 | 23 | 26 | 28 | 31 | 33 | 34 | 36 | 36 | 37 | 37 | 36 | 35 | 34 |
| Dewpoint (°C) | 12 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 11 | 11 | 9 | 9 | 11 | 11 | 12 | 11 | 12 | 13 | 12 | 12 | 12 | 11 | 9 | 8 |
| Heat Index (°C) | 32 | 30 | 29 | 29 | 28 | 27 | 27 | 25 | 24 | 26 | 27 | 29 | 31 | 33 | 34 | 35 | 36 | 36 | 34 | 33 | 32 | |||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 6 | 6 | 6 | 10 | 10 | 10 | 14 | 14 | 14 |
| Wind Dir | W | W | W | WSW | WSW | WSW | W | W | W | WSW | WSW | WSW | WNW | WNW | WNW | NW | NW | NW | WNW | WNW | WNW | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 18 | 18 | 18 | 12 | 12 | 12 | 4 | 4 | 4 | 2 | 2 | 2 | 10 | 10 | 10 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 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 (%) | 28 | 29 | 29 | 29 | 31 | 32 | 34 | 37 | 41 | 44 | 44 | 42 | 39 | 35 | 31 | 27 | 25 | 25 | 24 | 23 | 22 | 21 | 20 | 20 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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