| Point Forecast: Livermore Municipal CA 37.71N 121.82W (Elev. 472 ft) |
Last Update: 2:01 am PDT Jul 17, 2026 |
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| Date | 07/17 | 07/18 | ||||||||||||||||||||||
| Hour (PDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°F) | 57 | 59 | 65 | 69 | 74 | 77 | 78 | 79 | 78 | 77 | 75 | 70 | 66 | 62 | 60 | 58 | 58 | 57 | 56 | 55 | 55 | 55 | 54 | 55 |
| Dewpoint (°F) | 52 | 52 | 53 | 53 | 53 | 53 | 52 | 53 | 53 | 53 | 53 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 51 | 52 | 52 | 51 | 52 |
| Heat Index (°F) | 77 | 78 | 79 | 78 | 77 | 75 | ||||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | WSW | WSW | WSW | WSW | W | W | W | W | W | W | W | W |
| Gust | 18 | 20 | 21 | 21 | 21 | 21 | 21 | 20 | 18 | 18 | ||||||||||||||
| Sky Cover (%) | 38 | 15 | 5 | 3 | 4 | 1 | 1 | 2 | 2 | 2 | 4 | 6 | 7 | 7 | 14 | 25 | 34 | 38 | 38 | 41 | 55 | 59 | 59 | 59 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Relative Humidity (%) | 86 | 77 | 66 | 56 | 48 | 43 | 41 | 41 | 41 | 43 | 46 | 53 | 60 | 69 | 74 | 78 | 80 | 83 | 85 | 86 | 88 | 89 | 89 | 89 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/19 | |||||||||||||||||||||||
| Hour (PDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°F) | 57 | 60 | 66 | 70 | 76 | 79 | 81 | 82 | 82 | 80 | 78 | 74 | 69 | 65 | 62 | 60 | 59 | 58 | 58 | 57 | 56 | 56 | 56 | 56 |
| Dewpoint (°F) | 53 | 53 | 54 | 54 | 54 | 53 | 52 | 53 | 53 | 52 | 53 | 53 | 52 | 52 | 52 | 53 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 |
| Heat Index (°F) | 76 | 79 | 80 | 81 | 81 | 80 | 78 | |||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 7 | 7 | 7 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | WSW | WSW | WSW | W | W | W | W | W | W | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW |
| Gust | 18 | 18 | 18 | 18 | 18 | 18 | ||||||||||||||||||
| Sky Cover (%) | 44 | 44 | 44 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 11 | 11 | 11 | 27 | 27 | 27 | 51 | 51 | 51 | 66 | 66 | 66 |
| 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 (%) | 87 | 77 | 66 | 56 | 47 | 40 | 37 | 37 | 37 | 38 | 42 | 48 | 56 | 63 | 70 | 75 | 79 | 81 | 82 | 84 | 85 | 85 | 86 | 86 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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