| Point Forecast: 5 Miles E Half Moon Bay CA 37.45N 122.33W (Elev. 1998 ft) |
Last Update: 1:26 pm PDT Aug 17, 2026 |
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| Date | 08/17 | 08/18 | ||||||||||||||||||||||
| Hour (PDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 67 | 67 | 68 | 67 | 66 | 64 | 59 | 58 | 57 | 57 | 57 | 56 | 56 | 55 | 55 | 55 | 54 | 54 | 55 | 57 | 60 | 63 | 66 | 69 |
| Dewpoint (°F) | 58 | 58 | 58 | 57 | 58 | 57 | 54 | 53 | 51 | 50 | 50 | 50 | 49 | 49 | 49 | 49 | 50 | 50 | 50 | 52 | 54 | 56 | 58 | 59 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 2 |
| Wind Dir | SSW | SW | WSW | WSW | WSW | WSW | WSW | SW | WSW | WSW | SW | SW | W | WSW | WSW | W | SW | WSW | W | W | W | WNW | WNW | WNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 37 | 14 | 9 | 34 | 28 | 12 | 21 | 31 | 27 | 21 | 35 | 36 | 40 | 43 | 53 | 53 | 54 | 65 | 59 | 47 | 48 | 33 | 24 | 15 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 73 | 72 | 69 | 71 | 75 | 79 | 84 | 85 | 81 | 79 | 79 | 80 | 80 | 80 | 79 | 81 | 83 | 85 | 85 | 83 | 80 | 76 | 73 | 70 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/19 | |||||||||||||||||||||||
| Hour (PDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 70 | 71 | 72 | 70 | 68 | 66 | 60 | 59 | 58 | 58 | 57 | 57 | 56 | 56 | 56 | 56 | 56 | 56 | 58 | 60 | 64 | 67 | 69 | 71 |
| Dewpoint (°F) | 58 | 58 | 57 | 57 | 58 | 57 | 55 | 54 | 52 | 51 | 51 | 51 | 50 | 50 | 50 | 50 | 50 | 51 | 51 | 53 | 55 | 56 | 57 | 58 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 3 | 5 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | W | W | W | WSW | W | W | W | W | W | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 16 | 33 | 23 | 30 | 22 | 38 | 61 | 40 | 51 | 43 | 43 | 43 | 58 | 58 | 58 | 56 | 56 | 56 | 52 | 52 | 52 | 25 | 25 | 25 |
| 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 (%) | 64 | 64 | 61 | 64 | 70 | 74 | 81 | 81 | 80 | 80 | 80 | 81 | 80 | 79 | 78 | 80 | 81 | 81 | 79 | 75 | 71 | 68 | 65 | 64 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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