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| Point Forecast: 4 Miles S Richland WA 46.24N 119.3W (Elev. 568 ft) |
Last Update: 10:28 pm PDT May 28, 2022 |
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| Date | 05/29 | 05/30 | ||||||||||||||||||||||
| Hour (PDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 55 | 55 | 54 | 54 | 54 | 53 | 53 | 54 | 56 | 58 | 60 | 62 | 63 | 64 | 66 | 67 | 67 | 66 | 65 | 63 | 61 | 58 | 55 | 53 |
| Dewpoint (°F) | 49 | 50 | 49 | 49 | 49 | 48 | 49 | 49 | 50 | 51 | 51 | 51 | 51 | 50 | 49 | 47 | 45 | 44 | 43 | 42 | 42 | 41 | 40 | 39 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 10 | 10 | 10 | 13 | 13 | 13 | 15 | 15 | 15 | 20 | 20 | 20 | 16 | 16 | 16 | 14 | 14 |
| Wind Dir | SW | SW | SW | SW | W | W | W | W | W | W | W | W | W | SW | SW | SW | W | W | W | W | W | W | W | W |
| Gust | 21 | 21 | 21 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 20 | 20 | ||||||||||
| Sky Cover (%) | 88 | 93 | 93 | 93 | 97 | 97 | 97 | 91 | 91 | 91 | 87 | 87 | 87 | 86 | 86 | 86 | 73 | 73 | 73 | 63 | 63 | 63 | 77 | 77 |
| Precipitation Potential (%) | 55 | 55 | 55 | 55 | 68 | 68 | 68 | 68 | 68 | 68 | 17 | 17 | 17 | 17 | 17 | 17 | 6 | 6 | 6 | 6 | 6 | 6 | 9 | 9 |
| Relative Humidity (%) | 81 | 83 | 83 | 83 | 83 | 84 | 85 | 84 | 81 | 77 | 72 | 68 | 64 | 60 | 55 | 50 | 46 | 44 | 45 | 47 | 50 | 53 | 56 | 59 |
| Rain | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/31 | |||||||||||||||||||||||
| Hour (PDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 52 | 50 | 49 | 49 | 49 | 50 | 51 | 53 | 56 | 59 | 62 | 63 | 64 | 64 | 65 | 65 | 66 | 66 | 66 | 64 | 62 | 59 | 57 | 55 |
| Dewpoint (°F) | 39 | 39 | 39 | 39 | 40 | 41 | 41 | 42 | 43 | 44 | 44 | 45 | 46 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 46 | 45 | 44 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 14 | 11 | 11 | 11 | 9 | 9 | 9 | 9 | 9 | 9 | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | W | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | S | S | S | S | S |
| Gust | 20 | 20 | 20 | 20 | ||||||||||||||||||||
| Sky Cover (%) | 77 | 76 | 76 | 76 | 82 | 82 | 82 | 86 | 86 | 86 | 74 | 74 | 74 | 69 | 69 | 69 | 55 | 55 | 55 | 47 | 47 | 47 | 42 | 42 |
| Precipitation Potential (%) | 9 | 9 | 9 | 9 | 12 | 12 | 12 | 12 | 12 | 12 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 62 | 65 | 67 | 69 | 71 | 71 | 69 | 66 | 61 | 57 | 53 | 52 | 53 | 53 | 53 | 51 | 50 | 50 | 51 | 53 | 57 | 61 | 65 | 67 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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