| Point Forecast: 8 Miles NNW Bethel Island CA 38.16N 121.7W (Elev. 98 ft) |
Last Update: 2:00 pm PDT Jun 13, 2026 |
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| Date | 06/13 | 06/14 | ||||||||||||||||||||||
| Hour (PDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 92 | 92 | 92 | 91 | 88 | 84 | 78 | 70 | 68 | 66 | 65 | 65 | 64 | 62 | 61 | 61 | 59 | 62 | 64 | 68 | 75 | 79 | 82 | 85 |
| Dewpoint (°F) | 56 | 56 | 56 | 55 | 56 | 57 | 58 | 54 | 55 | 54 | 54 | 55 | 55 | 54 | 54 | 55 | 53 | 55 | 54 | 54 | 56 | 56 | 55 | 54 |
| Heat Index (°F) | 90 | 90 | 90 | 89 | 86 | 83 | 78 | 75 | 79 | 81 | 84 | |||||||||||||
| Surface Wind (mph) | 11 | 13 | 15 | 16 | 17 | 17 | 17 | 18 | 17 | 17 | 16 | 16 | 15 | 16 | 16 | 15 | 15 | 14 | 13 | 13 | 13 | 11 | 13 | 13 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 21 | 24 | 26 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 26 | 28 | 26 | 25 | 25 | 23 | 22 | 22 | 21 | 20 | 20 | 21 | |
| Sky Cover (%) | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 1 | 3 | 1 | 2 | 4 | 4 | 3 | 1 | 2 | 2 | 3 | 2 | 1 | 1 | 0 | 1 | 3 |
| 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 (%) | 30 | 30 | 30 | 30 | 34 | 40 | 50 | 56 | 62 | 65 | 68 | 71 | 73 | 76 | 78 | 80 | 80 | 77 | 70 | 61 | 52 | 45 | 39 | 35 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/15 | |||||||||||||||||||||||
| Hour (PDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 87 | 88 | 87 | 87 | 84 | 81 | 76 | 69 | 66 | 65 | 64 | 64 | 63 | 62 | 61 | 60 | 59 | 60 | 64 | 69 | 74 | 79 | 82 | 85 |
| Dewpoint (°F) | 54 | 54 | 54 | 54 | 55 | 56 | 57 | 54 | 54 | 55 | 55 | 56 | 55 | 55 | 55 | 54 | 54 | 53 | 54 | 56 | 56 | 56 | 56 | 56 |
| Heat Index (°F) | 85 | 86 | 85 | 85 | 83 | 81 | 76 | 79 | 82 | 84 | ||||||||||||||
| Surface Wind (mph) | 14 | 15 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | W | W | W |
| Gust | 23 | 24 | 25 | 28 | 28 | 28 | 30 | 30 | 30 | 30 | 30 | 30 | 25 | 25 | 25 | 25 | 25 | 25 | 23 | 23 | 23 | 22 | 22 | 22 |
| Sky Cover (%) | 4 | 3 | 2 | 3 | 3 | 3 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 11 | 11 | 11 | 4 | 4 | 4 | 3 | 3 | 3 |
| 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 (%) | 32 | 32 | 32 | 33 | 37 | 42 | 52 | 59 | 66 | 69 | 72 | 74 | 76 | 78 | 80 | 82 | 82 | 78 | 71 | 63 | 54 | 46 | 41 | 37 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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