| Point Forecast: Livermore Municipal CA 37.71N 121.82W (Elev. 144 m) |
Last Update: 9:36 pm PDT Aug 9, 2026 |
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| Date | 08/09 | 08/10 | ||||||||||||||||||||||
| 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 (°C) | 23 | 22 | 21 | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 20 | 24 | 26 | 29 | 31 | 32 | 32 | 32 | 32 | 31 | 29 | 25 | 23 |
| Dewpoint (°C) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 |
| Heat Index (°C) | 24 | 27 | 28 | 31 | 32 | 32 | 32 | 31 | 30 | 29 | 25 | |||||||||||||
| Surface Wind (mph) | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 8 | 9 | 9 | 10 | 10 | 9 | 8 | 7 | 7 |
| Wind Dir | W | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NW | WNW | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 1 | 0 | 1 | 0 | 9 | 23 | 37 | 21 | 26 | 31 | 38 | 24 | 12 | 6 | 5 | 9 | 17 | 15 | 17 | 8 | 11 | 7 | 2 | 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 (%) | 52 | 56 | 57 | 59 | 62 | 65 | 67 | 69 | 71 | 74 | 71 | 64 | 54 | 46 | 39 | 35 | 33 | 32 | 33 | 33 | 36 | 42 | 49 | 56 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/11 | |||||||||||||||||||||||
| 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 (°C) | 21 | 20 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 17 | 19 | 22 | 25 | 28 | 29 | 31 | 32 | 32 | 31 | 29 | 27 | 24 | 23 |
| Dewpoint (°C) | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Heat Index (°C) | 25 | 28 | 29 | 31 | 31 | 31 | 31 | 29 | 27 | 24 | ||||||||||||||
| Surface Wind (mph) | 7 | 6 | 6 | 5 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 6 | 6 | 6 | 9 | 9 | 9 | 9 | 9 | 9 | 7 | 7 |
| Wind Dir | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | W | W | W | W | W | W | W | W | W | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 1 | 1 | 1 | 8 | 8 | 8 | 27 | 27 | 27 | 19 | 19 | 19 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 61 | 64 | 66 | 70 | 73 | 75 | 76 | 77 | 79 | 79 | 77 | 70 | 60 | 50 | 44 | 39 | 36 | 34 | 34 | 36 | 39 | 45 | 51 | 57 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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