| Point Forecast: San Francisco CA 37.75N 122.43W (Elev. 197 ft) |
Last Update: 1:26 pm PDT May 18, 2024 |
 |
|
[show menu] |
| Date | 05/18 | 05/19 | ||||||||||||||||||||||
| Hour (PDT) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°F) | 61 | 60 | 59 | 58 | 55 | 54 | 52 | 52 | 52 | 52 | 52 | 52 | 51 | 51 | 50 | 51 | 52 | 54 | 57 | 60 | 62 | 64 | 64 | 65 |
| Dewpoint (°F) | 53 | 51 | 51 | 51 | 50 | 49 | 48 | 48 | 48 | 48 | 48 | 47 | 47 | 47 | 47 | 47 | 48 | 48 | 50 | 50 | 50 | 51 | 50 | 50 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 9 | 10 |
| Wind Dir | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | SW | SW | SW | WSW | WSW | WSW | W | W |
| Gust | 18 | 18 | 18 | 18 | ||||||||||||||||||||
| Sky Cover (%) | 36 | 33 | 31 | 32 | 31 | 41 | 35 | 28 | 21 | 21 | 21 | 23 | 32 | 28 | 28 | 23 | 19 | 19 | 17 | 17 | 17 | 16 | 12 | 13 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 74 | 74 | 76 | 78 | 82 | 84 | 86 | 86 | 85 | 85 | 86 | 85 | 86 | 87 | 88 | 86 | 85 | 80 | 77 | 70 | 65 | 62 | 60 | 59 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/20 | |||||||||||||||||||||||
| Hour (PDT) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°F) | 65 | 64 | 62 | 62 | 59 | 57 | 55 | 54 | 54 | 53 | 52 | 51 | 50 | 50 | 50 | 50 | 52 | 54 | 57 | 60 | 63 | 65 | 66 | 66 |
| Dewpoint (°F) | 51 | 50 | 49 | 49 | 48 | 48 | 48 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 48 | 49 | 49 | 50 | 50 | 50 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 13 | 11 | 11 | 11 | 10 | 10 | 10 | 8 | 8 | 8 | 6 | 6 | 6 | 3 | 3 | 3 | 3 | 3 | 3 | 6 | 6 | 6 | 10 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | S | S | S | WSW | WSW | WSW | W | W | W | W |
| Gust | 18 | 20 | 21 | 21 | 21 | 18 | 18 | 18 | ||||||||||||||||
| Sky Cover (%) | 12 | 7 | 9 | 9 | 9 | 7 | 7 | 7 | 7 | 7 | 7 | 13 | 13 | 13 | 14 | 14 | 14 | 10 | 10 | 10 | 5 | 5 | 5 | 9 |
| 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 (%) | 60 | 60 | 61 | 63 | 67 | 71 | 74 | 77 | 79 | 81 | 83 | 85 | 87 | 88 | 88 | 87 | 84 | 79 | 73 | 66 | 61 | 58 | 56 | 56 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| ||||||||||||