| Point Forecast: San Francisco CA 37.77N 122.41W (Elev. 131 ft) |
Last Update: 2:10 am PDT Sep 20, 2024 |
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| Date | 09/20 | 09/21 | ||||||||||||||||||||||
| Hour (PDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 55 | 55 | 57 | 58 | 60 | 62 | 65 | 66 | 67 | 68 | 66 | 65 | 64 | 60 | 59 | 58 | 58 | 57 | 57 | 57 | 56 | 56 | 56 | 56 |
| Dewpoint (°F) | 53 | 53 | 54 | 56 | 56 | 57 | 58 | 58 | 57 | 58 | 57 | 56 | 57 | 55 | 54 | 54 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 53 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 5 | 5 | 6 | 7 | 8 | 10 | 11 | 13 | 13 | 11 | 9 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 5 | 5 |
| Wind Dir | WSW | SW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | SW | SW | SSW |
| Gust | 18 | 18 | 18 | |||||||||||||||||||||
| Sky Cover (%) | 69 | 65 | 55 | 61 | 56 | 28 | 26 | 8 | 5 | 3 | 6 | 8 | 11 | 31 | 31 | 34 | 35 | 34 | 27 | 24 | 23 | 21 | 25 | 28 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
| Relative Humidity (%) | 92 | 92 | 90 | 90 | 86 | 82 | 77 | 74 | 71 | 71 | 73 | 73 | 78 | 81 | 85 | 86 | 86 | 88 | 88 | 87 | 89 | 87 | 90 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/22 | |||||||||||||||||||||||
| Hour (PDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 56 | 56 | 58 | 60 | 64 | 66 | 68 | 70 | 72 | 71 | 70 | 68 | 65 | 63 | 60 | 59 | 59 | 58 | 58 | 57 | 56 | 56 | 56 | 56 |
| Dewpoint (°F) | 53 | 54 | 55 | 56 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 57 | 56 | 55 | 55 | 55 | 54 | 54 | 54 | 53 | 53 | 53 | 53 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 7 | 9 | 11 | 13 | 13 | 10 | 8 | 6 | 5 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 |
| Wind Dir | SSW | SSW | S | SSW | SSW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 18 | |||||||||||||||||||||||
| Sky Cover (%) | 25 | 18 | 19 | 20 | 13 | 6 | 5 | 3 | 2 | 2 | 1 | 1 | 5 | 10 | 14 | 18 | 21 | 25 | 29 | 32 | 36 | 39 | 42 | 45 |
| 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 (%) | 88 | 92 | 91 | 86 | 81 | 75 | 69 | 65 | 62 | 63 | 66 | 70 | 75 | 80 | 84 | 86 | 87 | 87 | 88 | 88 | 89 | 89 | 90 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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