| Point Forecast: San Leandro CA 37.72N 122.17W (Elev. 115 ft) |
Last Update: 1:26 pm PDT May 16, 2026 |
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| Date | 05/16 | 05/17 | ||||||||||||||||||||||
| Hour (PDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 70 | 69 | 65 | 62 | 60 | 58 | 57 | 55 | 55 | 53 | 53 | 52 | 52 | 52 | 53 | 55 | 59 | 62 | 65 | 68 | 71 | 73 | 74 | 76 |
| Dewpoint (°F) | 48 | 49 | 47 | 46 | 47 | 46 | 47 | 46 | 46 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 45 | 44 | 44 | 43 | 43 | 41 | 40 | 40 |
| Heat Index (°F) | 76 | |||||||||||||||||||||||
| Surface Wind (mph) | 13 | 11 | 10 | 10 | 9 | 8 | 7 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 2 | 2 | 5 | 6 | 8 | 9 | 11 | 13 | 14 | 15 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NW |
| Gust | 20 | 20 | 20 | 18 | 18 | 23 | 24 | 26 | ||||||||||||||||
| Sky Cover (%) | 2 | 4 | 13 | 9 | 8 | 19 | 15 | 13 | 26 | 18 | 9 | 14 | 12 | 23 | 26 | 21 | 16 | 10 | 9 | 2 | 9 | 4 | 4 | 2 |
| 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 (%) | 46 | 48 | 52 | 56 | 62 | 66 | 69 | 71 | 72 | 71 | 72 | 73 | 76 | 76 | 72 | 67 | 60 | 53 | 47 | 41 | 36 | 32 | 29 | 27 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/18 | |||||||||||||||||||||||
| Hour (PDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 76 | 76 | 76 | 74 | 71 | 70 | 69 | 66 | 65 | 64 | 63 | 63 | 63 | 63 | 63 | 65 | 68 | 71 | 74 | 77 | 80 | 82 | 83 | 83 |
| Dewpoint (°F) | 36 | 35 | 34 | 32 | 31 | 30 | 30 | 27 | 27 | 26 | 25 | 27 | 29 | 30 | 33 | 35 | 36 | 36 | 35 | 34 | 34 | 34 | 34 | 36 |
| Heat Index (°F) | 76 | 76 | 76 | 77 | 78 | 80 | 80 | 81 | ||||||||||||||||
| Surface Wind (mph) | 16 | 16 | 16 | 16 | 16 | 16 | 13 | 13 | 13 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Wind Dir | NNW | NNW | NNW | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | NNW | NNW | NNW |
| Gust | 30 | 30 | 30 | 29 | 29 | 29 | 26 | 26 | 26 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 21 | 21 | 21 | 18 | 18 | 18 |
| Sky Cover (%) | 2 | 3 | 2 | 2 | 0 | 1 | 3 | 3 | 3 | 4 | 4 | 4 | 2 | 2 | 2 | 4 | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 |
| 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 (%) | 24 | 22 | 21 | 21 | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 26 | 28 | 30 | 32 | 33 | 31 | 28 | 24 | 21 | 19 | 18 | 18 | 18 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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