| Point Forecast: San Francisco International Airport CA 37.62N 122.37W (Elev. 3 ft) |
Last Update: 2:12 pm PDT May 23, 2024 |
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| Date | 05/23 | 05/24 | ||||||||||||||||||||||
| Hour (PDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 62 | 60 | 57 | 56 | 55 | 55 | 54 | 53 | 53 | 53 | 52 | 52 | 52 | 53 | 55 | 56 | 57 | 58 | 60 | 61 | 62 | 62 | 61 | 60 |
| Dewpoint (°F) | 47 | 47 | 45 | 45 | 45 | 46 | 47 | 46 | 46 | 46 | 45 | 46 | 46 | 46 | 47 | 48 | 48 | 49 | 49 | 50 | 50 | 50 | 50 | 50 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 22 | 21 | 18 | 18 | 18 | 17 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 17 | 18 | 21 | 22 | 23 | 23 |
| 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 | 26 | 25 | 24 | 23 | 23 | 22 | 22 | 21 | 20 | 18 | 18 | 18 | 18 | 18 | 20 | 22 | 24 | 26 | 29 | 31 | 31 | |||
| Sky Cover (%) | 7 | 32 | 44 | 59 | 64 | 61 | 56 | 49 | 35 | 35 | 32 | 29 | 39 | 59 | 46 | 49 | 49 | 48 | 42 | 37 | 32 | 28 | 31 | 40 |
| Precipitation Potential (%) | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 0 |
| Relative Humidity (%) | 56 | 61 | 64 | 68 | 70 | 72 | 76 | 76 | 76 | 78 | 78 | 79 | 78 | 79 | 75 | 74 | 72 | 71 | 67 | 66 | 65 | 66 | 67 | 68 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/25 | |||||||||||||||||||||||
| Hour (PDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 59 | 57 | 56 | 56 | 56 | 55 | 55 | 55 | 54 | 54 | 54 | 54 | 54 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 61 | 60 | 60 |
| Dewpoint (°F) | 50 | 49 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 49 | 49 | 49 | 49 | 49 | 49 | 50 | 50 | 49 | 49 | 48 | 47 | 47 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 23 | 23 | 22 | 21 | 21 | 18 | 18 | 18 | 16 | 16 | 16 | 14 | 14 | 14 | 11 | 11 | 11 | 13 | 13 | 13 | 17 | 17 | 17 | 20 |
| 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 | 30 | 29 | 28 | 28 | 26 | 24 | 24 | 24 | 21 | 21 | 21 | 22 | 22 | 22 | 25 | |||||||||
| Sky Cover (%) | 42 | 49 | 64 | 61 | 66 | 70 | 70 | 70 | 75 | 75 | 75 | 85 | 85 | 85 | 75 | 75 | 75 | 66 | 66 | 66 | 41 | 41 | 41 | 20 |
| 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 (%) | 70 | 74 | 76 | 78 | 80 | 83 | 84 | 85 | 85 | 85 | 85 | 85 | 84 | 82 | 80 | 78 | 76 | 74 | 71 | 68 | 65 | 63 | 62 | 62 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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