| Point Forecast: San Francisco International Airport CA 37.62N 122.37W (Elev. 3 ft) |
Last Update: 2:16 am PDT Sep 14, 2026 |
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| Date | 09/14 | 09/15 | ||||||||||||||||||||||
| Hour (PDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 70 | 72 | 74 | 74 | 74 | 73 | 71 | 69 | 65 | 62 | 61 | 60 | 60 | 59 | 58 | 58 | 58 | 57 | 57 | 57 | 57 | 58 | 60 | 64 |
| Dewpoint (°F) | 53 | 52 | 52 | 52 | 52 | 52 | 53 | 54 | 53 | 53 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 53 | 54 | 54 | 54 | 55 | 57 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 7 | 9 | 11 | 15 | 17 | 18 | 20 | 18 | 15 | 14 | 14 | 14 | 13 | 13 | 11 | 11 | 9 | 9 | 8 | 8 | 7 | 8 | 8 | 8 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SW | WSW |
| Gust | 20 | 21 | 21 | 18 | ||||||||||||||||||||
| Sky Cover (%) | 12 | 9 | 14 | 14 | 5 | 4 | 4 | 4 | 5 | 11 | 15 | 17 | 17 | 18 | 21 | 21 | 26 | 35 | 29 | 36 | 42 | 45 | 38 | 26 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 54 | 49 | 47 | 45 | 45 | 49 | 51 | 59 | 66 | 73 | 76 | 79 | 81 | 82 | 86 | 88 | 87 | 87 | 87 | 88 | 88 | 86 | 81 | 77 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/16 | |||||||||||||||||||||||
| Hour (PDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 67 | 69 | 70 | 71 | 72 | 71 | 70 | 68 | 64 | 61 | 60 | 59 | 59 | 59 | 59 | 58 | 58 | 58 | 58 | 58 | 59 | 60 | 61 | 64 |
| Dewpoint (°F) | 57 | 57 | 57 | 56 | 56 | 56 | 56 | 56 | 56 | 55 | 55 | 55 | 55 | 56 | 56 | 56 | 55 | 55 | 55 | 55 | 55 | 55 | 56 | 56 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 11 | 11 | 16 | 16 | 16 | 16 | 16 | 16 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 13 |
| Wind Dir | WSW | WSW | WSW | W | W | W | W | W | W | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 24 | 24 | 24 | 12 | 12 | 12 | 21 | 21 | 21 | 19 | 19 | 19 | 26 | 26 | 26 | 31 | 31 | 31 | 37 | 37 | 37 | 64 | 64 | 64 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 70 | 65 | 62 | 58 | 58 | 59 | 61 | 67 | 74 | 81 | 85 | 86 | 87 | 89 | 90 | 90 | 90 | 89 | 88 | 88 | 87 | 85 | 81 | 76 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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