| Point Forecast: 3 Miles WSW San Ramon CA 37.75N 122W (Elev. 1362 ft) |
Last Update: 1:26 pm PDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (PDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°F) | 57 | 56 | 56 | 56 | 55 | 55 | 54 | 55 | 54 | 54 | 54 | 55 | 57 | 61 | 64 | 67 | 68 | 70 | 68 | 68 | 66 | 64 | 60 | 57 |
| Dewpoint (°F) | 53 | 53 | 52 | 53 | 53 | 52 | 52 | 52 | 52 | 53 | 53 | 54 | 54 | 54 | 55 | 55 | 55 | 56 | 55 | 55 | 55 | 54 | 53 | 53 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 13 | 13 | 13 | 13 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 9 | 10 | 10 | 11 | 13 | 13 | 13 | 13 | 13 | 13 |
| Wind Dir | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | WSW | W | W | W | W | W | W | W |
| Gust | 22 | 22 | 21 | 21 | 20 | 20 | 18 | 18 | 18 | 18 | 21 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | ||||||
| Sky Cover (%) | 45 | 50 | 60 | 75 | 81 | 82 | 81 | 84 | 87 | 86 | 72 | 56 | 31 | 5 | 2 | 2 | 0 | 0 | 2 | 3 | 2 | 2 | 10 | 29 |
| Precipitation Potential (%) | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 85 | 88 | 87 | 90 | 91 | 91 | 92 | 91 | 93 | 96 | 96 | 94 | 88 | 79 | 72 | 64 | 63 | 63 | 63 | 63 | 67 | 71 | 78 | 86 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (PDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°F) | 56 | 56 | 55 | 55 | 55 | 55 | 55 | 55 | 54 | 54 | 55 | 57 | 60 | 63 | 66 | 69 | 71 | 73 | 73 | 73 | 71 | 68 | 65 | 62 |
| Dewpoint (°F) | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 54 | 54 | 55 | 55 | 55 | 55 | 55 | 55 | 56 | 57 | 57 | 57 | 57 | 56 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 13 | 11 | 11 | 11 | 9 | 9 | 9 | 9 | 9 | 9 | 7 | 7 | 7 | 7 | 7 | 7 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 |
| Wind Dir | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | W | W | W | W | W |
| Gust | 21 | 18 | 18 | 18 | 18 | 18 | 18 | 21 | 21 | 21 | 20 | 20 | ||||||||||||
| Sky Cover (%) | 41 | 52 | 52 | 52 | 70 | 70 | 70 | 85 | 85 | 85 | 59 | 59 | 59 | 5 | 5 | 5 | 0 | 0 | 0 | 2 | 2 | 2 | 7 | 7 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 90 | 91 | 92 | 93 | 93 | 93 | 92 | 92 | 94 | 96 | 96 | 91 | 84 | 76 | 68 | 61 | 56 | 54 | 55 | 57 | 62 | 68 | 74 | 78 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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