| Point Forecast: 4 Miles S Portola Valley CA 37.33N 122.21W (Elev. 680 m) |
Last Update: 2:42 am PDT May 29, 2024 |
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| Date | 05/29 | 05/30 | ||||||||||||||||||||||
| Hour (PDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°C) | 8 | 9 | 10 | 11 | 13 | 14 | 15 | 16 | 17 | 17 | 18 | 18 | 17 | 16 | 16 | 14 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 14 |
| Dewpoint (°C) | 3 | 4 | 4 | 3 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 8 | 8 | 7 | 6 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 4 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 6 |
| Wind Dir | NW | NW | N | N | N | N | NNW | NNW | NNW | NW | WNW | WNW | WNW | W | W | WNW | W | WNW | NNW | NNW | NNW | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 13 | 14 | 10 | 8 | 7 | 6 | 3 | 3 | 3 | 3 | 4 | 3 | 4 | 4 | 3 | 8 | 9 | 10 | 9 | 9 | 14 | 9 | 13 | 17 |
| 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 (%) | 71 | 70 | 64 | 60 | 59 | 58 | 58 | 56 | 55 | 54 | 55 | 57 | 56 | 61 | 59 | 56 | 55 | 53 | 56 | 54 | 54 | 54 | 54 | 52 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/31 | |||||||||||||||||||||||
| Hour (PDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°C) | 13 | 14 | 15 | 16 | 17 | 17 | 18 | 19 | 19 | 21 | 21 | 21 | 20 | 19 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 14 |
| Dewpoint (°C) | 4 | 3 | 4 | 4 | 5 | 6 | 6 | 7 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 6 | 4 | 4 | 3 | 3 | 2 | 2 | 2 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | N | NNW | NNW | NNW | NNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | WNW | WNW | WNW | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 21 | 22 | 18 | 17 | 8 | 6 | 4 | 5 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 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 (%) | 53 | 50 | 47 | 47 | 46 | 46 | 46 | 47 | 47 | 48 | 48 | 48 | 48 | 50 | 52 | 53 | 51 | 48 | 45 | 43 | 42 | 41 | 41 | 42 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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