| Point Forecast: 2 Miles SW Union City CA 37.58N 122.04W (Elev. 121 ft) |
Last Update: 6:22 am PDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (PDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 68 | 72 | 73 | 74 | 75 | 74 | 73 | 71 | 67 | 63 | 61 | 60 | 59 | 60 | 58 | 58 | 58 | 58 | 58 | 58 | 59 | 60 | 62 | 64 |
| Dewpoint (°F) | 58 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 58 | 57 | 56 | 56 | 55 | 55 | 55 | 54 | 54 | 54 | 54 | 54 | 55 | 55 | 56 | 58 |
| Heat Index (°F) | 75 | |||||||||||||||||||||||
| Surface Wind (mph) | 6 | 7 | 9 | 10 | 11 | 13 | 14 | 13 | 11 | 11 | 10 | 10 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 3 |
| Wind Dir | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | WNW | WNW | WNW | NW | W | SW | WSW | WSW |
| Gust | 18 | 20 | 21 | 21 | 18 | |||||||||||||||||||
| Sky Cover (%) | 16 | 10 | 3 | 1 | 1 | 2 | 2 | 3 | 3 | 5 | 8 | 9 | 11 | 16 | 25 | 38 | 55 | 60 | 69 | 75 | 70 | 64 | 38 | 25 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 72 | 66 | 64 | 61 | 60 | 60 | 65 | 67 | 71 | 79 | 82 | 86 | 86 | 85 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 85 | 82 | 80 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (PDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 66 | 68 | 70 | 71 | 72 | 71 | 70 | 68 | 65 | 62 | 60 | 59 | 59 | 58 | 58 | 58 | 58 | 57 | 57 | 57 | 58 | 59 | 61 | 64 |
| Dewpoint (°F) | 58 | 58 | 58 | 59 | 59 | 58 | 58 | 58 | 57 | 56 | 56 | 55 | 55 | 55 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 55 | 56 | 57 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 10 | 10 | 10 | 13 | 13 | 13 | 11 | 11 | 11 | 9 | 9 | 9 | 6 | 6 | 6 | 3 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW |
| Gust | 20 | 20 | 20 | |||||||||||||||||||||
| Sky Cover (%) | 13 | 13 | 13 | 2 | 2 | 2 | 2 | 2 | 2 | 8 | 8 | 8 | 20 | 20 | 20 | 46 | 46 | 46 | 69 | 69 | 69 | 61 | 61 | 61 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 75 | 70 | 66 | 64 | 63 | 64 | 66 | 70 | 76 | 81 | 84 | 86 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 86 | 83 | 78 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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