| Point Forecast: San Francisco CA 37.77N 122.41W (Elev. 131 ft) |
Last Update: 1:25 pm PDT Sep 8, 2026 |
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| Date | 09/08 | 09/09 | ||||||||||||||||||||||
| Hour (PDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 69 | 68 | 67 | 67 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 68 | 71 | 75 | 81 | 84 | 86 | 88 | 86 | 85 | 84 | 81 | 79 | 76 |
| Dewpoint (°F) | 55 | 55 | 54 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 52 | 53 | 54 | 54 | 55 | 54 | 54 | 55 | 55 | 56 | 56 | 54 | 53 | 52 |
| Heat Index (°F) | 75 | 81 | 83 | 85 | 86 | 85 | 84 | 83 | 81 | 79 | 76 | |||||||||||||
| Surface Wind (mph) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 6 | 9 | 10 | 11 | 10 | 7 | 5 |
| Wind Dir | W | WSW | WSW | SW | SSW | SSW | S | S | SSE | S | NE | N | N | N | N | NNW | NW | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 30 | 35 | 37 | 33 | 47 | 38 | 42 | 45 | 35 | 31 | 33 | 34 | 32 | 49 | 33 | 24 | 19 | 10 | 6 | 5 | 16 | 16 | 16 | 29 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 62 | 62 | 63 | 64 | 64 | 64 | 64 | 64 | 64 | 63 | 63 | 60 | 54 | 48 | 41 | 36 | 33 | 32 | 35 | 38 | 39 | 40 | 41 | 42 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/10 | |||||||||||||||||||||||
| Hour (PDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 74 | 73 | 71 | 70 | 69 | 68 | 67 | 66 | 66 | 66 | 66 | 66 | 68 | 70 | 73 | 74 | 75 | 76 | 75 | 74 | 72 | 70 | 67 | 65 |
| Dewpoint (°F) | 52 | 52 | 53 | 54 | 54 | 55 | 55 | 55 | 56 | 56 | 57 | 58 | 59 | 61 | 62 | 62 | 62 | 62 | 62 | 61 | 61 | 60 | 59 | 58 |
| Heat Index (°F) | 75 | 76 | 75 | |||||||||||||||||||||
| Surface Wind (mph) | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 7 | 7 | 7 | 10 | 10 | 10 | 14 | 14 | 14 | 10 |
| Wind Dir | WSW | WSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW |
| Gust | 21 | 21 | 21 | 18 | ||||||||||||||||||||
| Sky Cover (%) | 29 | 29 | 31 | 31 | 31 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 22 | 22 | 22 | 12 | 12 | 12 | 14 | 14 | 14 | 24 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 45 | 48 | 53 | 57 | 60 | 63 | 66 | 68 | 70 | 72 | 74 | 76 | 74 | 71 | 68 | 66 | 63 | 62 | 63 | 64 | 67 | 71 | 74 | 78 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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