| Point Forecast: 4 Miles NE Grass Valley CA 39.26N 121.02W (Elev. 2589 ft) |
Last Update: 12:31 pm PDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (PDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 92 | 93 | 93 | 93 | 91 | 90 | 86 | 79 | 75 | 73 | 72 | 71 | 71 | 70 | 70 | 69 | 68 | 70 | 75 | 81 | 87 | 90 | 91 | 93 |
| Dewpoint (°F) | 57 | 57 | 56 | 55 | 55 | 55 | 57 | 56 | 55 | 53 | 53 | 53 | 54 | 52 | 52 | 51 | 51 | 53 | 55 | 55 | 56 | 56 | 55 | 56 |
| Heat Index (°F) | 91 | 91 | 91 | 91 | 89 | 88 | 85 | 80 | 75 | 75 | 81 | 86 | 88 | 89 | 91 | |||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 3 | 5 | 5 |
| Wind Dir | WSW | WSW | WSW | SW | SW | SW | SSW | SSE | ESE | E | E | E | E | ENE | ENE | ENE | ENE | ENE | N | W | W | W | W | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 10 | 4 | 4 | 2 | 2 | 3 | 3 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 0 |
| 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 (%) | 31 | 30 | 29 | 28 | 29 | 31 | 38 | 45 | 49 | 50 | 51 | 53 | 54 | 54 | 54 | 54 | 54 | 54 | 50 | 41 | 35 | 32 | 30 | 29 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (PDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 94 | 94 | 95 | 93 | 92 | 91 | 85 | 79 | 75 | 73 | 71 | 69 | 68 | 67 | 66 | 66 | 67 | 69 | 73 | 77 | 83 | 87 | 89 | 90 |
| Dewpoint (°F) | 56 | 54 | 53 | 51 | 51 | 52 | 54 | 53 | 53 | 52 | 51 | 50 | 49 | 47 | 47 | 47 | 48 | 49 | 51 | 53 | 53 | 53 | 52 | 52 |
| Heat Index (°F) | 93 | 92 | 92 | 91 | 89 | 88 | 83 | 79 | 75 | 77 | 82 | 85 | 87 | 87 | ||||||||||
| Surface Wind (mph) | 5 | 6 | 5 | 5 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 5 | 5 |
| Wind Dir | WSW | WSW | SW | SW | SW | SW | SSW | SSW | SSW | ESE | ESE | ESE | E | E | E | E | E | E | SE | SE | SE | SSW | SSW | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 1 | 2 | 1 | 1 | 1 | 1 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 0 | 0 | 0 | 1 | 1 | 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 (%) | 28 | 26 | 25 | 24 | 25 | 27 | 34 | 41 | 46 | 48 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 47 | 42 | 36 | 31 | 29 | 28 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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