| Point Forecast: San Francisco International Airport CA 37.62N 122.37W (Elev. 1 m) |
Last Update: 2:42 pm PDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| 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 (°C) | 20 | 19 | 17 | 16 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 16 | 17 | 18 | 19 | 20 | 21 | 21 | 21 |
| Dewpoint (°C) | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 12 | 11 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 15 | 14 | 13 | 10 | 9 | 9 | 8 | 7 | 6 | 6 | 6 | 5 | 3 | 3 | 2 | 3 | 5 | 6 | 8 | 9 | 10 | 13 | 14 | 14 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | WSW | SW | W | WNW | W | WNW | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 5 | 6 | 14 | 20 | 37 | 37 | 39 | 46 | 53 | 59 | 59 | 64 | 64 | 68 | 65 | 58 | 30 | 15 | 12 | 10 | 2 | 3 | 2 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 63 | 67 | 73 | 79 | 84 | 85 | 86 | 87 | 88 | 89 | 89 | 89 | 89 | 89 | 86 | 85 | 79 | 76 | 71 | 68 | 64 | 61 | 60 | 61 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| 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 (°C) | 20 | 19 | 17 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 19 | 20 | 20 |
| Dewpoint (°C) | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 15 | 14 | 13 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 15 | 15 | 15 | 21 | 21 | 21 |
| Wind Dir | W | W | W | W | W | WSW | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 4 | 7 | 13 | 16 | 26 | 35 | 35 | 35 | 52 | 52 | 52 | 67 | 67 | 67 | 64 | 64 | 64 | 33 | 33 | 33 | 15 | 15 | 15 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 63 | 69 | 74 | 81 | 84 | 86 | 86 | 86 | 87 | 87 | 88 | 88 | 88 | 87 | 86 | 84 | 81 | 77 | 74 | 70 | 67 | 65 | 63 | 63 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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