| Point Forecast: San Francisco CA 37.77N 122.41W (Elev. 131 ft) |
Last Update: 1:26 pm PDT Sep 19, 2024 |
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| Date | 09/19 | 09/20 | ||||||||||||||||||||||
| 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 (°F) | 64 | 64 | 60 | 59 | 58 | 58 | 57 | 57 | 56 | 56 | 56 | 56 | 55 | 56 | 56 | 57 | 59 | 61 | 63 | 65 | 66 | 67 | 67 | 66 |
| Dewpoint (°F) | 58 | 58 | 56 | 55 | 55 | 54 | 54 | 54 | 53 | 53 | 53 | 52 | 53 | 53 | 53 | 54 | 56 | 57 | 57 | 58 | 58 | 57 | 58 | 57 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 14 | 11 | 9 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 7 | 8 | 10 | 11 | 13 |
| Wind Dir | WSW | W | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SSW | SW | SW | WSW | WSW | WSW | WSW | WSW |
| Gust | 18 | 18 | ||||||||||||||||||||||
| Sky Cover (%) | 17 | 30 | 47 | 61 | 67 | 71 | 69 | 75 | 79 | 76 | 69 | 68 | 68 | 64 | 63 | 52 | 54 | 56 | 33 | 26 | 11 | 9 | 5 | 6 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 81 | 81 | 86 | 87 | 89 | 88 | 88 | 90 | 89 | 89 | 88 | 89 | 92 | 90 | 90 | 91 | 89 | 87 | 81 | 76 | 73 | 70 | 72 | 71 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/21 | |||||||||||||||||||||||
| 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 (°F) | 65 | 64 | 60 | 59 | 58 | 58 | 58 | 58 | 57 | 56 | 56 | 56 | 56 | 56 | 57 | 58 | 60 | 63 | 65 | 68 | 70 | 71 | 71 | 70 |
| Dewpoint (°F) | 57 | 56 | 55 | 54 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 54 | 54 | 55 | 56 | 57 | 58 | 58 | 58 | 58 | 58 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 13 | 11 | 9 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 5 | 6 | 8 | 10 | 11 |
| Wind Dir | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | SSW | SSW | SSW | SSW | S | S | SSW | SSW | SSW | SW | WSW | WSW | WSW |
| Gust | 18 | 18 | ||||||||||||||||||||||
| Sky Cover (%) | 7 | 10 | 21 | 24 | 26 | 31 | 35 | 34 | 32 | 31 | 33 | 35 | 37 | 33 | 29 | 25 | 19 | 13 | 7 | 5 | 4 | 2 | 2 | 3 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 75 | 77 | 82 | 85 | 87 | 86 | 85 | 86 | 88 | 90 | 90 | 90 | 89 | 90 | 90 | 88 | 85 | 80 | 75 | 70 | 66 | 64 | 63 | 65 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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