| Point Forecast: 3 Miles WSW Atherton CA 37.43N 122.26W (Elev. 400 ft) |
Last Update: 1:51 am PDT Aug 14, 2026 |
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| Date | 08/14 | 08/15 | ||||||||||||||||||||||
| Hour (PDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 58 | 58 | 58 | 56 | 57 | 58 | 60 | 63 | 66 | 68 | 71 | 72 | 72 | 73 | 72 | 70 | 68 | 63 | 60 | 59 | 59 | 58 | 58 | 57 |
| Dewpoint (°F) | 56 | 56 | 56 | 55 | 56 | 57 | 58 | 60 | 61 | 62 | 63 | 62 | 62 | 61 | 61 | 60 | 59 | 57 | 57 | 57 | 57 | 56 | 56 | 56 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 2 | 1 | 1 | 2 | 2 | 2 | 3 | 5 | 5 | 6 | 7 | 8 | 8 | 9 | 10 | 9 | 8 | 7 | 6 | 5 | 3 | 2 | 2 | 2 |
| Wind Dir | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 18 | |||||||||||||||||||||||
| Sky Cover (%) | 77 | 82 | 77 | 59 | 73 | 80 | 78 | 71 | 49 | 36 | 23 | 8 | 12 | 10 | 9 | 10 | 18 | 22 | 36 | 43 | 58 | 67 | 79 | 76 |
| Precipitation Potential (%) | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 6 | 3 | 3 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 0 |
| Relative Humidity (%) | 94 | 94 | 92 | 95 | 95 | 97 | 95 | 89 | 83 | 80 | 76 | 72 | 69 | 66 | 67 | 71 | 73 | 81 | 88 | 92 | 93 | 94 | 94 | 96 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/16 | |||||||||||||||||||||||
| Hour (PDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 57 | 57 | 57 | 56 | 56 | 57 | 59 | 64 | 67 | 69 | 72 | 73 | 74 | 75 | 74 | 71 | 67 | 63 | 61 | 59 | 58 | 57 | 56 | 56 |
| Dewpoint (°F) | 56 | 55 | 55 | 55 | 54 | 56 | 57 | 59 | 60 | 61 | 62 | 62 | 62 | 62 | 61 | 61 | 59 | 57 | 56 | 56 | 56 | 55 | 55 | 54 |
| Heat Index (°F) | 75 | |||||||||||||||||||||||
| Surface Wind (mph) | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 5 | 5 | 5 | 8 | 8 | 8 | 8 | 8 | 8 | 5 | 5 | 5 | 2 | 2 | 2 | 1 |
| Wind Dir | W | W | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 85 | 84 | 89 | 89 | 89 | 90 | 90 | 90 | 44 | 44 | 44 | 1 | 1 | 1 | 18 | 18 | 18 | 30 | 30 | 30 | 50 | 50 | 50 | 80 |
| Precipitation Potential (%) | 1 | 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 (%) | 95 | 95 | 94 | 95 | 96 | 97 | 93 | 85 | 79 | 75 | 71 | 68 | 65 | 64 | 65 | 70 | 74 | 79 | 84 | 89 | 92 | 94 | 95 | 95 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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