| Point Forecast: Castro Valley CA 37.69N 122.07W (Elev. 197 ft) |
Last Update: 2:14 pm PDT Jun 30, 2024 |
 |
|
[show menu] |
| Date | 06/30 | 07/01 | ||||||||||||||||||||||
| Hour (PDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 80 | 78 | 75 | 71 | 68 | 63 | 62 | 60 | 60 | 59 | 59 | 58 | 58 | 58 | 58 | 60 | 63 | 66 | 70 | 75 | 79 | 82 | 83 | 84 |
| Dewpoint (°F) | 58 | 58 | 57 | 57 | 56 | 55 | 55 | 55 | 55 | 54 | 54 | 54 | 53 | 53 | 54 | 54 | 56 | 57 | 58 | 59 | 60 | 59 | 60 | 60 |
| Heat Index (°F) | 80 | 78 | 75 | 75 | 80 | 82 | 83 | 84 | ||||||||||||||||
| Surface Wind (mph) | 11 | 10 | 10 | 9 | 9 | 8 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 6 | 7 | 7 | 8 | 9 | 10 |
| Wind Dir | WSW | WSW | WSW | WSW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | SSW | SW | WSW | WSW | WSW | W | W | W | W |
| Gust | 18 | |||||||||||||||||||||||
| Sky Cover (%) | 1 | 0 | 2 | 2 | 6 | 20 | 23 | 29 | 28 | 32 | 25 | 32 | 24 | 33 | 31 | 26 | 25 | 19 | 9 | 6 | 4 | 1 | 1 | 0 |
| 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 (%) | 48 | 50 | 54 | 60 | 66 | 75 | 78 | 82 | 83 | 84 | 82 | 85 | 85 | 83 | 87 | 82 | 78 | 72 | 65 | 57 | 53 | 46 | 46 | 45 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/02 | |||||||||||||||||||||||
| Hour (PDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 83 | 82 | 80 | 75 | 71 | 67 | 65 | 64 | 63 | 63 | 63 | 62 | 62 | 62 | 64 | 67 | 70 | 76 | 81 | 87 | 91 | 94 | 96 | 97 |
| Dewpoint (°F) | 59 | 59 | 58 | 57 | 56 | 55 | 55 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 54 | 54 | 56 | 57 | 58 | 58 | 58 | 58 | 58 | 58 |
| Heat Index (°F) | 83 | 82 | 81 | 75 | 75 | 81 | 86 | 90 | 93 | 95 | 96 | |||||||||||||
| Surface Wind (mph) | 10 | 10 | 8 | 7 | 6 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 3 | 5 | 6 | 7 | 8 | 9 |
| Wind Dir | W | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | WSW | WSW | SW | SW | SSW | SW | W | W | W | WNW | WNW | WNW | WNW | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 1 | 0 | 2 | 2 | 7 | 5 | 7 | 9 | 9 | 10 | 10 | 11 | 12 | 13 | 13 | 13 | 13 | 10 | 6 | 3 | 2 | 2 | 1 | 1 |
| 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 (%) | 44 | 46 | 48 | 53 | 59 | 66 | 70 | 71 | 71 | 70 | 69 | 70 | 71 | 71 | 69 | 65 | 60 | 52 | 44 | 38 | 33 | 30 | 28 | 27 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| ||||||||||||