| Point Forecast: 2 Miles SW Union City CA 37.58N 122.04W (Elev. 121 ft) |
Last Update: 1:05 am PDT Sep 9, 2024 |
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| Date | 09/09 | 09/10 | ||||||||||||||||||||||
| 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) | 62 | 62 | 61 | 61 | 60 | 60 | 59 | 61 | 64 | 67 | 70 | 74 | 75 | 76 | 78 | 76 | 75 | 73 | 68 | 64 | 62 | 62 | 61 | 61 |
| Dewpoint (°F) | 57 | 56 | 56 | 56 | 56 | 56 | 55 | 57 | 58 | 60 | 61 | 62 | 62 | 61 | 61 | 60 | 60 | 60 | 59 | 58 | 58 | 58 | 57 | 57 |
| Heat Index (°F) | 75 | 76 | 78 | 76 | 75 | |||||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 6 | 7 | 9 | 10 | 11 | 11 | 13 | 11 | 9 | 9 | 8 | 8 | 7 | 6 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | NW | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | NW | NW | WNW | WNW |
| Gust | 18 | |||||||||||||||||||||||
| Sky Cover (%) | 17 | 25 | 33 | 50 | 56 | 61 | 54 | 50 | 56 | 45 | 19 | 8 | 4 | 2 | 1 | 0 | 0 | 0 | 11 | 23 | 30 | 42 | 46 | 54 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
| Relative Humidity (%) | 82 | 81 | 84 | 85 | 86 | 86 | 86 | 85 | 82 | 76 | 73 | 66 | 63 | 60 | 56 | 58 | 61 | 65 | 74 | 83 | 86 | 87 | 88 | 86 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/11 | |||||||||||||||||||||||
| 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) | 60 | 59 | 59 | 58 | 58 | 59 | 58 | 59 | 61 | 63 | 65 | 67 | 69 | 70 | 71 | 71 | 69 | 67 | 64 | 61 | 60 | 60 | 60 | 60 |
| Dewpoint (°F) | 56 | 55 | 55 | 55 | 54 | 54 | 55 | 56 | 57 | 58 | 58 | 58 | 58 | 59 | 59 | 59 | 59 | 59 | 58 | 58 | 57 | 57 | 57 | 56 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 8 | 10 | 11 | 13 | 13 | 11 | 10 | 9 | 8 | 8 | 8 | 8 |
| Wind Dir | NW | WNW | WNW | WNW | WNW | W | W | WSW | WSW | W | W | W | W | W | W | W | W | W | W | W | WSW | WSW | SW | SW |
| Gust | 18 | 18 | ||||||||||||||||||||||
| Sky Cover (%) | 48 | 50 | 56 | 70 | 86 | 90 | 84 | 71 | 61 | 48 | 35 | 30 | 25 | 20 | 21 | 22 | 23 | 29 | 34 | 40 | 41 | 43 | 44 | 37 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 |
| Relative Humidity (%) | 85 | 86 | 86 | 87 | 88 | 86 | 89 | 90 | 87 | 83 | 78 | 73 | 69 | 66 | 65 | 66 | 69 | 75 | 81 | 87 | 89 | 89 | 89 | 89 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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