| Point Forecast: Modesto CA 37.63N 121W (Elev. 15 m) |
Last Update: 2:00 am PDT Aug 9, 2026 |
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| Date | 08/09 | 08/10 | ||||||||||||||||||||||
| Hour (PDT) | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |
| Temperature (°C) | 29 | 32 | 33 | 36 | 38 | 39 | 39 | 39 | 39 | 38 | 36 | 33 | 31 | 29 | 28 | 27 | 26 | 24 | 23 | 22 | 22 | 22 | 23 | 26 |
| Dewpoint (°C) | 14 | 14 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Heat Index (°C) | 28 | 31 | 33 | 36 | 38 | 39 | 39 | 39 | 39 | 38 | 34 | 32 | 29 | 28 | 28 | 27 | 26 | 24 | 26 | |||||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 3 |
| Wind Dir | NW | NW | NW | WNW | WNW | WNW | NW | NW | NW | NW | NW | NNW | NNW | N | NNE | N | N | N | NNW | NW | NW | NW | NNW | NNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 3 | 3 | 1 | 0 | 0 | 1 | 3 | 5 | 12 | 13 | 13 | 13 | 17 | 17 |
| 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 (%) | 40 | 35 | 32 | 28 | 25 | 23 | 22 | 22 | 23 | 23 | 26 | 27 | 28 | 31 | 35 | 39 | 42 | 47 | 51 | 53 | 53 | 53 | 50 | 44 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/11 | |||||||||||||||||||||||
| Hour (PDT) | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |
| Temperature (°C) | 29 | 31 | 33 | 36 | 37 | 37 | 38 | 38 | 37 | 36 | 33 | 31 | 29 | 27 | 26 | 24 | 23 | 22 | 21 | 21 | 21 | 21 | 22 | 24 |
| Dewpoint (°C) | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 14 | 15 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 |
| Heat Index (°C) | 28 | 30 | 32 | 35 | 36 | 36 | 37 | 37 | 37 | 35 | 33 | 31 | 28 | 27 | 26 | 24 | 24 | |||||||
| Surface Wind (mph) | 3 | 2 | 2 | 2 | 6 | 6 | 6 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 3 | 3 | 3 | 5 | 5 |
| Wind Dir | NNW | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NW | NW | NW | NNW | NNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 17 | 27 | 27 | 27 | 15 | 15 | 15 | 24 | 24 | 24 | 8 | 8 | 8 | 6 | 6 | 6 | 8 | 8 | 8 | 13 | 13 | 13 | 6 | 6 |
| 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 (%) | 38 | 34 | 31 | 28 | 25 | 23 | 23 | 23 | 25 | 29 | 34 | 38 | 41 | 44 | 47 | 51 | 54 | 59 | 63 | 66 | 66 | 65 | 61 | 55 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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