| Point Forecast: 5 Miles W Napa Co. Airport CA 38.21N 122.38W (Elev. 1 m) |
Last Update: 2:47 pm PDT Jun 30, 2025 |
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| Date | 06/30 | 07/01 | ||||||||||||||||||||||
| 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) | 16 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 15 | 17 | 19 | 21 | 23 | 24 | 25 | 26 | 25 | 24 | 22 | 19 | 17 |
| Dewpoint (°C) | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 14 | 14 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 12 |
| Heat Index (°C) | 24 | 25 | 26 | 25 | 24 | |||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 6 | 7 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 7 |
| Wind Dir | WSW | SW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | SW | SSW | SSW | S | SSW | SSW | SSW | WSW | W | WSW | WSW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 9 | 26 | 23 | 29 | 34 | 45 | 69 | 72 | 72 | 70 | 57 | 54 | 29 | 14 | 6 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 5 | 5 |
| Precipitation Potential (%) | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 |
| Relative Humidity (%) | 82 | 86 | 88 | 90 | 94 | 92 | 92 | 94 | 94 | 94 | 88 | 83 | 79 | 72 | 67 | 64 | 57 | 54 | 53 | 53 | 55 | 62 | 69 | 75 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/02 | |||||||||||||||||||||||
| 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) | 16 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 16 | 17 | 19 | 21 | 23 | 24 | 25 | 26 | 25 | 24 | 22 | 20 | 18 |
| Dewpoint (°C) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 16 | 16 | 17 | 17 | 16 | 16 | 15 | 14 | 13 | 13 |
| Heat Index (°C) | 24 | 25 | 26 | 25 | 24 | |||||||||||||||||||
| Surface Wind (mph) | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 6 | 6 | 6 | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 8 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 19 | 32 | 32 | 32 | 50 | 50 | 50 | 68 | 68 | 68 | 71 | 71 | 71 | 16 | 16 | 16 | 2 | 2 | 2 | 1 | 1 | 1 | 4 | 4 |
| Precipitation Potential (%) | 6 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 81 | 87 | 90 | 91 | 91 | 92 | 92 | 92 | 92 | 92 | 90 | 86 | 81 | 76 | 70 | 66 | 62 | 58 | 57 | 57 | 58 | 61 | 65 | 69 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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