| Point Forecast: 4 Miles S Richland WA 46.24N 119.3W (Elev. 568 ft) |
Last Update: 9:30 pm PDT Jul 12, 2025 |
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| Date | 07/12 | 07/13 | ||||||||||||||||||||||
| Hour (PDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 89 | 85 | 83 | 80 | 78 | 76 | 74 | 72 | 72 | 71 | 75 | 79 | 82 | 88 | 92 | 95 | 97 | 99 | 102 | 102 | 102 | 103 | 102 | 98 |
| Dewpoint (°F) | 54 | 53 | 53 | 54 | 54 | 53 | 52 | 52 | 52 | 53 | 53 | 53 | 52 | 54 | 54 | 54 | 54 | 54 | 53 | 52 | 52 | 53 | 53 | 53 |
| Heat Index (°F) | 87 | 83 | 82 | 80 | 78 | 76 | 75 | 79 | 81 | 86 | 90 | 93 | 95 | 97 | 100 | 100 | 100 | 101 | 100 | 96 | ||||
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 11 |
| Wind Dir | NW | NW | W | W | W | W | W | W | SW | SW | SW | W | W | W | W | W | W | W | W | W | NW | NW | NW | NW |
| Gust | 18 | |||||||||||||||||||||||
| Sky Cover (%) | 33 | 33 | 13 | 13 | 13 | 8 | 8 | 8 | 6 | 6 | 6 | 8 | 8 | 8 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 10 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 30 | 33 | 36 | 41 | 43 | 45 | 46 | 49 | 50 | 52 | 46 | 40 | 36 | 32 | 28 | 25 | 24 | 22 | 20 | 19 | 19 | 19 | 20 | 22 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/14 | |||||||||||||||||||||||
| Hour (PDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 92 | 88 | 85 | 82 | 79 | 77 | 75 | 73 | 73 | 74 | 76 | 79 | 82 | 86 | 90 | 93 | 95 | 97 | 98 | 99 | 99 | 98 | 96 | 93 |
| Dewpoint (°F) | 53 | 52 | 52 | 52 | 51 | 52 | 52 | 53 | 54 | 55 | 55 | 56 | 57 | 57 | 57 | 57 | 56 | 55 | 55 | 55 | 55 | 54 | 52 | 52 |
| Heat Index (°F) | 90 | 86 | 83 | 81 | 79 | 77 | 75 | 76 | 79 | 82 | 85 | 89 | 92 | 93 | 95 | 96 | 97 | 97 | 96 | 93 | 90 | |||
| Surface Wind (mph) | 11 | 11 | 13 | 13 | 13 | 9 | 9 | 9 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 11 | 11 | 11 | 13 | 13 | 13 | 13 |
| Wind Dir | NW | NW | NW | NW | NW | W | W | W | SW | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 18 | 18 | 21 | 21 | 21 | 18 | 18 | 18 | 20 | 20 | 20 | 20 | ||||||||||||
| Sky Cover (%) | 10 | 10 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 6 | 6 | 6 | 8 |
| 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 (%) | 27 | 29 | 32 | 35 | 38 | 41 | 45 | 49 | 51 | 51 | 49 | 46 | 42 | 37 | 33 | 30 | 27 | 25 | 24 | 23 | 23 | 23 | 23 | 25 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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