| Point Forecast: 4 Miles E San Jose CA 37.31N 121.77W (Elev. 105 m) |
Last Update: 2:24 am PDT Jun 18, 2025 |
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| Date | 06/18 | 06/19 | ||||||||||||||||||||||
| 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 | 13 | 14 | 16 | 19 | 22 | 24 | 28 | 29 | 31 | 31 | 31 | 31 | 29 | 27 | 24 | 22 | 19 | 18 | 17 | 16 | 14 | 13 | 13 |
| Dewpoint (°C) | 8 | 9 | 9 | 9 | 11 | 12 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 |
| Heat Index (°C) | 24 | 27 | 29 | 29 | 31 | 30 | 30 | 29 | 27 | 24 | ||||||||||||||
| Surface Wind (mph) | 1 | 1 | 1 | 2 | 2 | 5 | 7 | 8 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 9 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 |
| Wind Dir | WSW | SSW | SW | W | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NNW | NNW | NW | NNW | NNW | NW | NNW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 10 | 13 | 13 | 11 | 10 | 5 | 3 | 0 | 1 | 1 | 1 | 0 | 0 | 2 | 2 | 4 | 5 | 7 | 6 | 6 | 11 | 12 | 13 | 14 |
| 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 (%) | 75 | 73 | 69 | 66 | 58 | 52 | 44 | 38 | 34 | 33 | 34 | 33 | 34 | 36 | 38 | 42 | 48 | 52 | 56 | 60 | 65 | 67 | 70 | 72 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/20 | |||||||||||||||||||||||
| 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 | 12 | 13 | 14 | 16 | 19 | 21 | 23 | 24 | 24 | 24 | 23 | 22 | 21 | 19 | 17 | 16 | 14 | 12 | 12 | 11 | 11 | 10 | 10 |
| Dewpoint (°C) | 8 | 8 | 8 | 9 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 |
| Heat Index (°C) | 24 | 24 | 24 | |||||||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 3 | 5 | 5 | 5 | 7 | 7 | 7 | 10 | 10 | 10 | 13 | 13 | 13 | 13 | 13 | 13 | 10 | 10 | 10 | 8 | 8 | 8 |
| Wind Dir | NW | WNW | W | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 18 | 19 | 19 | 21 | 16 | 7 | 6 | 6 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | 7 | 7 | 7 | 19 | 19 | 19 | 29 | 29 | 29 |
| 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 (%) | 72 | 73 | 73 | 70 | 61 | 54 | 48 | 44 | 42 | 41 | 41 | 43 | 46 | 49 | 53 | 58 | 65 | 73 | 80 | 83 | 84 | 85 | 87 | 88 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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