| Point Forecast: 2 Miles WSW Portola Valley CA 37.37N 122.25W (Elev. 1473 ft) |
Last Update: 11:49 pm PDT Jun 22, 2025 |
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| Date | 06/23 | |||||||||||||||||||||||
| Hour (PDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 52 | 52 | 52 | 52 | 52 | 53 | 52 | 53 | 56 | 60 | 62 | 66 | 68 | 70 | 71 | 70 | 70 | 69 | 66 | 63 | 60 | 58 | 56 | 54 |
| Dewpoint (°F) | 41 | 40 | 41 | 41 | 41 | 42 | 42 | 43 | 46 | 48 | 49 | 52 | 52 | 52 | 53 | 52 | 52 | 52 | 50 | 49 | 48 | 46 | 45 | 44 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 2 | 2 | 3 | 3 | 5 | 6 | 6 | 6 | 7 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | SW | SW | W | WSW | WSW | W | WSW | SSW | WNW | W | N | NNE | WSW | WSW | SW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 16 | 18 | 19 | 18 | 16 | 17 | 21 | 22 | 17 | 19 | 7 | 2 | 2 | 2 | 2 | 2 | 3 | 8 | 12 | 20 | 23 | 32 | 34 | 35 |
| 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 (%) | 67 | 64 | 66 | 67 | 66 | 66 | 67 | 69 | 69 | 66 | 63 | 61 | 56 | 53 | 52 | 53 | 53 | 55 | 58 | 60 | 62 | 65 | 68 | 69 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/24 | |||||||||||||||||||||||
| Hour (PDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 53 | 53 | 52 | 52 | 51 | 51 | 51 | 52 | 53 | 55 | 58 | 60 | 62 | 64 | 66 | 66 | 66 | 65 | 63 | 60 | 57 | 55 | 54 | 53 |
| Dewpoint (°F) | 44 | 43 | 42 | 43 | 43 | 44 | 44 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 52 | 52 | 52 | 52 | 51 | 50 | 48 | 47 | 46 | 45 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 6 |
| Wind Dir | SW | SW | W | SW | WSW | W | WSW | WSW | WSW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 35 | 35 | 44 | 44 | 44 | 49 | 49 | 49 | 51 | 51 | 51 | 23 | 23 | 23 | 19 | 19 | 19 | 22 | 22 | 22 | 38 | 38 | 38 | 50 |
| 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 | 1 |
| Relative Humidity (%) | 70 | 69 | 69 | 71 | 73 | 76 | 78 | 80 | 80 | 77 | 74 | 70 | 67 | 64 | 62 | 61 | 61 | 62 | 65 | 69 | 73 | 75 | 75 | 75 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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