| Point Forecast: 2 Miles SW Union City CA 37.58N 122.04W (Elev. 121 ft) |
Last Update: 2:42 pm PDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (PDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 75 | 72 | 68 | 64 | 62 | 60 | 59 | 59 | 58 | 58 | 58 | 58 | 58 | 58 | 59 | 60 | 63 | 66 | 69 | 74 | 76 | 78 | 78 | 77 |
| Dewpoint (°F) | 60 | 60 | 57 | 57 | 56 | 56 | 56 | 55 | 55 | 54 | 54 | 54 | 54 | 54 | 54 | 55 | 57 | 58 | 58 | 60 | 60 | 59 | 60 | 59 |
| Heat Index (°F) | 75 | 77 | 78 | 79 | 77 | |||||||||||||||||||
| Surface Wind (mph) | 11 | 10 | 9 | 9 | 8 | 7 | 6 | 6 | 5 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 6 | 7 | 8 | 10 | 10 | 11 |
| Wind Dir | NW | NW | NW | NW | NNW | NNW | NW | NNW | NW | NW | NW | NW | NW | NW | NW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 1 | 1 | 1 | 4 | 17 | 23 | 37 | 51 | 70 | 74 | 74 | 76 | 79 | 82 | 81 | 73 | 60 | 40 | 12 | 6 | 2 | 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 (%) | 59 | 64 | 70 | 77 | 82 | 87 | 88 | 87 | 88 | 88 | 88 | 88 | 87 | 87 | 86 | 85 | 81 | 76 | 68 | 62 | 56 | 52 | 53 | 53 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (PDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 76 | 73 | 68 | 65 | 61 | 60 | 60 | 59 | 59 | 59 | 58 | 58 | 57 | 58 | 58 | 60 | 63 | 66 | 69 | 72 | 74 | 75 | 75 | 74 |
| Dewpoint (°F) | 60 | 59 | 57 | 56 | 57 | 56 | 55 | 55 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 60 | 60 | 60 |
| Heat Index (°F) | 76 | 75 | 75 | |||||||||||||||||||||
| Surface Wind (mph) | 13 | 11 | 10 | 9 | 8 | 8 | 7 | 7 | 7 | 5 | 5 | 5 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 6 | 11 | 11 | 11 |
| Wind Dir | NW | NW | NW | WNW | WNW | WNW | W | W | W | W | W | W | W | W | W | SW | SW | SW | WSW | WSW | WSW | W | W | W |
| Gust | 18 | 18 | ||||||||||||||||||||||
| Sky Cover (%) | 2 | 2 | 2 | 9 | 15 | 18 | 21 | 21 | 21 | 52 | 52 | 52 | 75 | 75 | 75 | 54 | 54 | 54 | 15 | 15 | 15 | 2 | 2 | 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 (%) | 58 | 61 | 69 | 75 | 84 | 87 | 86 | 86 | 85 | 85 | 86 | 87 | 87 | 87 | 86 | 84 | 79 | 74 | 68 | 64 | 62 | 60 | 60 | 61 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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