| Point Forecast: San Francisco International Airport CA 37.62N 122.37W (Elev. 3 ft) |
Last Update: 1:26 am PDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (PDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 56 | 56 | 56 | 56 | 56 | 57 | 60 | 62 | 64 | 66 | 66 | 67 | 68 | 68 | 67 | 65 | 62 | 59 | 59 | 58 | 58 | 58 | 57 | 57 |
| Dewpoint (°F) | 53 | 53 | 53 | 52 | 53 | 53 | 53 | 54 | 54 | 55 | 54 | 55 | 55 | 55 | 54 | 55 | 54 | 53 | 53 | 53 | 53 | 53 | 53 | 53 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 13 | 14 | 16 | 18 | 20 | 21 | 21 | 21 | 20 | 18 | 18 | 17 | 16 | 14 | 14 | 14 | 13 |
| Wind Dir | W | WSW | WSW | SW | SSW | SSW | SW | SSW | SW | SW | SW | SW | SW | SW | WSW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 21 | 23 | 25 | 25 | 26 | 26 | 25 | 23 | 22 | 20 | ||||||||||||||
| Sky Cover (%) | 56 | 55 | 62 | 62 | 63 | 57 | 50 | 27 | 16 | 13 | 11 | 3 | 3 | 3 | 19 | 19 | 19 | 19 | 19 | 33 | 47 | 47 | 47 | 67 |
| Precipitation Potential (%) | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 13 | 13 | 13 | 13 | 13 | 13 | 15 | 15 | 15 | 15 |
| Relative Humidity (%) | 89 | 88 | 89 | 87 | 88 | 84 | 78 | 75 | 71 | 68 | 65 | 64 | 62 | 64 | 64 | 69 | 75 | 80 | 82 | 83 | 83 | 84 | 85 | 86 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (PDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 57 | 57 | 57 | 57 | 58 | 58 | 59 | 61 | 62 | 64 | 65 | 66 | 67 | 67 | 67 | 65 | 62 | 60 | 60 | 59 | 59 | 58 | 58 | 58 |
| Dewpoint (°F) | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 53 | 53 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 13 | 13 | 10 | 10 | 10 | 10 | 10 | 10 | 14 | 14 | 14 | 18 | 18 | 18 | 18 | 18 | 18 | 15 | 15 | 15 | 11 | 11 | 11 | 9 |
| Wind Dir | SW | SW | SW | SW | SW | SSW | SSW | SSW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SW |
| Gust | 22 | 22 | 22 | 23 | 23 | 23 | ||||||||||||||||||
| Sky Cover (%) | 67 | 67 | 75 | 75 | 75 | 69 | 69 | 69 | 41 | 41 | 41 | 12 | 12 | 12 | 10 | 10 | 10 | 27 | 27 | 27 | 54 | 54 | 54 | 65 |
| Precipitation Potential (%) | 15 | 15 | 12 | 12 | 12 | 12 | 12 | 12 | 5 | 5 | 5 | 5 | 5 | 5 | 8 | 8 | 8 | 8 | 8 | 8 | 15 | 15 | 15 | 15 |
| Relative Humidity (%) | 86 | 85 | 84 | 83 | 82 | 80 | 78 | 74 | 71 | 69 | 67 | 65 | 64 | 62 | 63 | 68 | 73 | 78 | 81 | 82 | 83 | 84 | 84 | 85 |
| Rain | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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