| Point Forecast: Ione CA 38.34N 120.94W (Elev. 299 ft) |
Last Update: 2:00 am PDT Aug 12, 2026 |
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| Date | 08/12 | 08/13 | ||||||||||||||||||||||
| 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 (°F) | 64 | 63 | 62 | 65 | 68 | 73 | 78 | 82 | 86 | 89 | 90 | 91 | 91 | 90 | 88 | 82 | 76 | 73 | 71 | 69 | 67 | 66 | 64 | 63 |
| Dewpoint (°F) | 55 | 54 | 53 | 56 | 57 | 56 | 57 | 57 | 59 | 57 | 57 | 57 | 56 | 59 | 61 | 61 | 61 | 60 | 60 | 59 | 58 | 58 | 57 | 58 |
| Heat Index (°F) | 78 | 82 | 85 | 88 | 89 | 90 | 89 | 89 | 88 | 83 | 76 | |||||||||||||
| Surface Wind (mph) | 3 | 3 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 5 | 3 | 3 | 3 |
| Wind Dir | N | N | NNW | NNW | NW | WNW | W | W | WSW | WSW | WSW | WSW | W | W | W | WNW | NW | NW | NNW | NNW | NNW | NNW | NNW | NNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 44 | 71 | 66 | 76 | 70 | 65 | 30 | 40 | 61 | 41 | 39 | 30 | 38 | 19 | 28 | 9 | 26 | 34 | 34 | 37 | 40 | 43 | 53 | 74 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 72 | 72 | 72 | 72 | 67 | 55 | 48 | 43 | 40 | 34 | 33 | 32 | 31 | 35 | 40 | 49 | 59 | 63 | 67 | 70 | 73 | 76 | 79 | 83 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/14 | |||||||||||||||||||||||
| 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 (°F) | 62 | 61 | 61 | 63 | 66 | 71 | 74 | 78 | 82 | 84 | 86 | 87 | 86 | 86 | 82 | 76 | 72 | 69 | 66 | 64 | 62 | 60 | 58 | 57 |
| Dewpoint (°F) | 58 | 57 | 57 | 59 | 60 | 61 | 61 | 63 | 64 | 63 | 63 | 62 | 62 | 64 | 65 | 64 | 63 | 62 | 61 | 60 | 59 | 58 | 56 | 56 |
| Heat Index (°F) | 78 | 84 | 85 | 87 | 88 | 86 | 87 | 84 | 76 | |||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 3 | 3 | 3 |
| Wind Dir | NNW | NNW | NNW | WNW | WNW | WNW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | W | W | W | WNW | WNW | WNW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 62 | 62 | 62 | 66 | 66 | 66 | 76 | 76 | 76 | 42 | 42 | 42 | 23 | 23 | 23 | 8 | 8 | 8 | 9 | 9 | 9 | 12 | 12 | 12 |
| Precipitation Potential (%) | 7 | 6 | 5 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 86 | 86 | 86 | 86 | 80 | 71 | 64 | 59 | 55 | 50 | 47 | 44 | 44 | 48 | 56 | 66 | 73 | 79 | 84 | 88 | 90 | 92 | 94 | 96 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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