| Point Forecast: Tracy CA 37.73N 121.42W (Elev. 66 ft) |
Last Update: 11:31 pm PDT Sep 12, 2026 |
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| Date | 09/13 | 09/14 | ||||||||||||||||||||||
| Hour (PDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 63 | 62 | 61 | 59 | 59 | 58 | 57 | 59 | 63 | 66 | 70 | 73 | 75 | 78 | 79 | 80 | 81 | 78 | 75 | 72 | 68 | 67 | 66 | 64 |
| Dewpoint (°F) | 51 | 51 | 52 | 51 | 52 | 52 | 51 | 52 | 51 | 48 | 45 | 44 | 42 | 41 | 40 | 41 | 43 | 47 | 50 | 52 | 49 | 50 | 50 | 50 |
| Heat Index (°F) | 75 | 78 | 79 | 79 | 80 | 78 | 75 | |||||||||||||||||
| Surface Wind (mph) | 13 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 13 | 11 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 8 | 7 | 7 | 7 | 7 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | W | W | W | W |
| Gust | 26 | 24 | 23 | 22 | 22 | 23 | 22 | 23 | 24 | 23 | 22 | 22 | 23 | 23 | 22 | 22 | 21 | 21 | 20 | 18 | ||||
| Sky Cover (%) | 0 | 1 | 1 | 0 | 2 | 2 | 4 | 4 | 7 | 2 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 10 | 11 | 12 | 6 | 1 | 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 (%) | 65 | 67 | 72 | 74 | 78 | 81 | 81 | 78 | 66 | 53 | 41 | 35 | 31 | 27 | 25 | 25 | 26 | 34 | 42 | 49 | 51 | 55 | 57 | 61 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/15 | |||||||||||||||||||||||
| Hour (PDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 63 | 62 | 61 | 60 | 60 | 59 | 58 | 63 | 66 | 72 | 75 | 79 | 82 | 85 | 86 | 87 | 87 | 85 | 81 | 77 | 74 | 71 | 69 | 67 |
| Dewpoint (°F) | 51 | 51 | 51 | 51 | 52 | 51 | 49 | 49 | 46 | 44 | 41 | 40 | 41 | 41 | 39 | 40 | 41 | 44 | 46 | 46 | 45 | 44 | 44 | 44 |
| Heat Index (°F) | 75 | 79 | 80 | 82 | 83 | 84 | 84 | 82 | 80 | 77 | ||||||||||||||
| Surface Wind (mph) | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 10 | 10 | 10 | 11 | 11 | 11 | 9 | 9 | 9 | 8 | 8 | 8 | 5 | 5 | 5 | 3 | 3 |
| Wind Dir | W | W | W | W | W | W | W | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | W | W | W | W | W | W | WSW | WSW |
| Gust | 18 | 18 | 18 | 24 | 24 | 24 | 23 | 23 | 23 | 21 | 21 | 21 | 20 | 20 | 20 | |||||||||
| Sky Cover (%) | 0 | 3 | 4 | 2 | 7 | 7 | 7 | 6 | 6 | 6 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 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 (%) | 64 | 67 | 70 | 73 | 75 | 75 | 71 | 61 | 48 | 36 | 29 | 25 | 23 | 21 | 19 | 19 | 20 | 24 | 29 | 33 | 36 | 38 | 40 | 43 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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