| Point Forecast: San Francisco International Airport CA 37.62N 122.37W (Elev. 1 m) |
Last Update: 11:27 am PDT Aug 9, 2026 |
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| Date | 08/09 | 08/10 | ||||||||||||||||||||||
| 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 (°C) | 27 | 27 | 27 | 27 | 26 | 24 | 22 | 20 | 19 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 17 | 18 | 21 | 22 | 23 |
| Dewpoint (°C) | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 |
| Heat Index (°C) | 27 | 27 | 27 | 27 | 26 | 24 | ||||||||||||||||||
| Surface Wind (mph) | 7 | 11 | 15 | 16 | 17 | 16 | 14 | 14 | 13 | 11 | 11 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 11 | 13 |
| Wind Dir | NW | WNW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | WSW | WSW | SW | WSW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 9 | 2 | 1 | 0 | 1 | 1 | 2 | 9 | 13 | 12 | 8 | 7 | 8 | 13 | 40 | 52 | 42 | 56 | 52 | 56 | 38 | 44 | 33 | 45 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 48 | 45 | 44 | 45 | 46 | 50 | 54 | 62 | 69 | 73 | 77 | 79 | 81 | 83 | 83 | 84 | 85 | 86 | 86 | 78 | 71 | 65 | 62 | 59 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/11 | |||||||||||||||||||||||
| 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 (°C) | 24 | 24 | 24 | 24 | 24 | 23 | 22 | 19 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 16 | 17 | 18 | 20 | 22 | 23 |
| Dewpoint (°C) | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 |
| Heat Index (°C) | 24 | 24 | 24 | 24 | 24 | |||||||||||||||||||
| Surface Wind (mph) | 15 | 16 | 17 | 18 | 16 | 16 | 16 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 10 | 10 |
| Wind Dir | W | W | W | W | W | W | W | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SSW | SSW | SSW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 27 | 10 | 5 | 7 | 12 | 6 | 5 | 10 | 10 | 24 | 14 | 14 | 14 | 25 | 25 | 25 | 49 | 49 | 49 | 42 | 42 | 42 | 20 | 20 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 56 | 53 | 52 | 52 | 53 | 57 | 63 | 70 | 78 | 80 | 82 | 84 | 85 | 87 | 86 | 87 | 87 | 87 | 85 | 80 | 75 | 69 | 64 | 60 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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