| Point Forecast: San Francisco CA 37.77N 122.41W (Elev. 40 m) |
Last Update: 11:39 am PDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (PDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°C) | 18 | 19 | 19 | 19 | 19 | 18 | 17 | 16 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 15 | 16 | 17 |
| Dewpoint (°C) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 8 | 9 | 10 | 11 | 13 | 13 | 11 | 9 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 6 |
| Wind Dir | WSW | WSW | WSW | WSW | WSW | W | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 32 | 15 | 7 | 6 | 8 | 12 | 22 | 31 | 53 | 56 | 64 | 70 | 73 | 74 | 84 | 75 | 73 | 78 | 80 | 66 | 64 | 57 | 45 | 25 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 1 |
| Relative Humidity (%) | 77 | 74 | 73 | 74 | 76 | 78 | 81 | 83 | 88 | 89 | 92 | 91 | 92 | 92 | 91 | 90 | 92 | 91 | 91 | 91 | 92 | 90 | 86 | 79 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (PDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°C) | 19 | 19 | 19 | 20 | 19 | 18 | 18 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 16 | 17 |
| Dewpoint (°C) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 7 | 9 | 10 | 11 | 13 | 13 | 11 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 10 |
| Wind Dir | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SSW | SSW | SSW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 16 | 7 | 4 | 5 | 7 | 11 | 18 | 29 | 54 | 57 | 62 | 67 | 67 | 67 | 81 | 81 | 81 | 82 | 82 | 82 | 77 | 77 | 77 | 47 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 0 |
| Relative Humidity (%) | 73 | 71 | 69 | 70 | 72 | 75 | 80 | 84 | 87 | 89 | 90 | 90 | 91 | 92 | 92 | 92 | 92 | 92 | 93 | 93 | 92 | 89 | 85 | 81 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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