| Point Forecast: 8 Miles NNW Bethel Island CA 38.16N 121.7W (Elev. 98 ft) |
Last Update: 10:41 am PDT May 19, 2024 |
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| Date | 05/19 | 05/20 | ||||||||||||||||||||||
| Hour (PDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°F) | 75 | 78 | 78 | 79 | 78 | 77 | 74 | 67 | 63 | 61 | 59 | 57 | 56 | 55 | 54 | 53 | 53 | 52 | 56 | 60 | 63 | 69 | 73 | 76 |
| Dewpoint (°F) | 49 | 49 | 48 | 49 | 48 | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 45 | 45 | 44 | 44 | 44 | 41 | 40 | 38 | 36 | 37 | 38 | 38 |
| Heat Index (°F) | 75 | 78 | 78 | 79 | 78 | 77 | 76 | |||||||||||||||||
| Surface Wind (mph) | 7 | 8 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 10 | 10 | 10 | 13 | 13 | 13 | 15 | 15 |
| Wind Dir | WNW | W | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | WNW | WNW | WNW | WNW | NW | NW | NW | NNW | NNW |
| Gust | 18 | 18 | 18 | 21 | 21 | 21 | 22 | 22 | ||||||||||||||||
| Sky Cover (%) | 2 | 2 | 3 | 4 | 7 | 4 | 4 | 3 | 3 | 3 | 2 | 3 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 |
| 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 (%) | 40 | 37 | 34 | 34 | 34 | 35 | 38 | 46 | 53 | 57 | 61 | 67 | 67 | 68 | 68 | 70 | 70 | 66 | 56 | 45 | 36 | 31 | 28 | 25 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/21 | |||||||||||||||||||||||
| Hour (PDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°F) | 78 | 80 | 81 | 82 | 81 | 80 | 77 | 74 | 70 | 67 | 64 | 62 | 60 | 59 | 57 | 55 | 55 | 56 | 59 | 63 | 68 | 74 | 79 | 82 |
| Dewpoint (°F) | 36 | 35 | 34 | 34 | 35 | 39 | 42 | 43 | 43 | 43 | 42 | 42 | 41 | 41 | 40 | 39 | 39 | 40 | 40 | 40 | 41 | 40 | 39 | 37 |
| Heat Index (°F) | 78 | 78 | 79 | 80 | 79 | 79 | 77 | 79 | 80 | |||||||||||||||
| Surface Wind (mph) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 13 | 13 | 13 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 |
| Wind Dir | NNW | NW | NW | NW | WNW | WNW | WNW | W | W | W | W | W | W | WNW | WNW | WNW | NW | NW | NW | NNW | NNW | NNW | NNW | NNW |
| Gust | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 21 | 21 | 21 | 18 | 18 | 18 | 18 | 18 | 18 | ||||||||
| Sky Cover (%) | 0 | 6 | 6 | 6 | 5 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 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 (%) | 22 | 20 | 18 | 18 | 19 | 23 | 28 | 33 | 37 | 42 | 45 | 48 | 49 | 51 | 53 | 55 | 55 | 53 | 48 | 43 | 37 | 30 | 24 | 20 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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