| Point Forecast: Vacaville CA 38.36N 121.99W (Elev. 194 ft) |
Last Update: 12:51 am PDT May 23, 2024 |
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| Date | 05/23 | 05/24 | ||||||||||||||||||||||
| Hour (PDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 64 | 61 | 61 | 60 | 60 | 61 | 64 | 66 | 72 | 74 | 76 | 80 | 81 | 82 | 83 | 81 | 79 | 77 | 72 | 69 | 66 | 63 | 62 | 60 |
| Dewpoint (°F) | 38 | 35 | 34 | 33 | 35 | 33 | 32 | 31 | 32 | 33 | 33 | 35 | 35 | 38 | 39 | 41 | 44 | 46 | 46 | 46 | 45 | 44 | 45 | 45 |
| Heat Index (°F) | 76 | 78 | 79 | 80 | 80 | 80 | 79 | 77 | ||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 |
| Wind Dir | NNW | NW | NW | NW | WNW | WNW | NNW | N | N | N | N | N | NW | WSW | SW | SW | SW | WSW | WSW | WSW | SW | SW | SW | SW |
| Gust | 18 | 18 | 18 | 18 | 20 | 21 | 21 | 21 | 20 | 20 | ||||||||||||||
| Sky Cover (%) | 2 | 4 | 4 | 5 | 5 | 1 | 0 | 1 | 0 | 1 | 1 | 2 | 2 | 3 | 4 | 4 | 8 | 24 | 27 | 21 | 22 | 19 | 21 | 17 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 |
| Relative Humidity (%) | 38 | 37 | 37 | 36 | 39 | 36 | 30 | 27 | 23 | 22 | 21 | 20 | 19 | 21 | 21 | 24 | 29 | 33 | 39 | 44 | 47 | 50 | 54 | 57 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/25 | |||||||||||||||||||||||
| Hour (PDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 58 | 56 | 54 | 54 | 53 | 54 | 58 | 60 | 64 | 68 | 71 | 72 | 73 | 75 | 75 | 74 | 72 | 69 | 66 | 64 | 62 | 60 | 59 | 57 |
| Dewpoint (°F) | 44 | 43 | 43 | 43 | 43 | 43 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 50 | 51 | 50 | 50 | 49 | 49 | 48 | 48 | 48 |
| Heat Index (°F) | 75 | 75 | ||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 8 | 8 | 8 | 11 | 11 | 11 | 14 | 14 | 14 | 11 | 11 | 11 | 9 | 9 | 9 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 21 | 21 | 21 | 25 | 25 | 25 | 24 | 24 | 24 | 20 | 20 | 20 | ||||||||||||
| Sky Cover (%) | 37 | 18 | 14 | 9 | 9 | 9 | 4 | 4 | 4 | 6 | 6 | 6 | 22 | 22 | 22 | 16 | 16 | 16 | 11 | 11 | 11 | 14 | 14 | 14 |
| Precipitation Potential (%) | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Relative Humidity (%) | 59 | 62 | 66 | 68 | 69 | 66 | 57 | 53 | 48 | 43 | 41 | 40 | 41 | 41 | 41 | 43 | 47 | 51 | 56 | 59 | 62 | 65 | 67 | 70 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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