| Point Forecast: San Jose International Airport CA 37.37N 121.93W (Elev. 14 m) |
Last Update: 2:47 pm PDT Jun 30, 2025 |
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| Date | 06/30 | 07/01 | ||||||||||||||||||||||
| Hour (PDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°C) | 21 | 19 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 16 | 18 | 21 | 24 | 26 | 28 | 28 | 28 | 27 | 27 | 24 | 23 |
| Dewpoint (°C) | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 16 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 14 |
| Heat Index (°C) | 24 | 26 | 28 | 28 | 28 | 28 | 27 | 24 | ||||||||||||||||
| Surface Wind (mph) | 7 | 6 | 5 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 7 | 9 | 10 | 10 | 10 | 8 |
| Wind Dir | NW | NW | NW | NW | NW | WNW | NW | WNW | WNW | W | W | WSW | WNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 4 | 6 | 5 | 13 | 16 | 25 | 30 | 45 | 50 | 55 | 51 | 37 | 29 | 10 | 5 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 1 |
| Precipitation Potential (%) | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 4 | 4 |
| Relative Humidity (%) | 61 | 68 | 75 | 77 | 79 | 82 | 82 | 84 | 83 | 84 | 84 | 84 | 81 | 77 | 68 | 60 | 51 | 46 | 46 | 47 | 48 | 48 | 54 | 57 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/02 | |||||||||||||||||||||||
| Hour (PDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°C) | 21 | 19 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 17 | 19 | 21 | 23 | 25 | 27 | 27 | 27 | 27 | 26 | 24 | 23 |
| Dewpoint (°C) | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 15 |
| Heat Index (°C) | 25 | 27 | 28 | 28 | 28 | 26 | 24 | |||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 6 | 6 | 6 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 8 | 8 | 8 | 10 | 10 | 10 |
| Wind Dir | NW | NW | WNW | WNW | WNW | WNW | W | W | W | WSW | WSW | WSW | SSW | SSW | SSW | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 4 | 6 | 7 | 7 | 7 | 32 | 32 | 32 | 44 | 44 | 44 | 29 | 29 | 29 | 6 | 6 | 6 | 0 | 0 | 0 | 1 | 1 | 1 |
| Precipitation Potential (%) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 63 | 70 | 74 | 76 | 79 | 81 | 82 | 83 | 83 | 83 | 84 | 85 | 83 | 77 | 68 | 61 | 56 | 54 | 52 | 52 | 53 | 55 | 58 | 61 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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