| Point Forecast: 4 Miles W Cascade Locks OR 45.67N 121.94W (Elev. 509 ft) |
Last Update: 4:41 am PDT Aug 7, 2026 |
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| Date | 08/07 | 08/08 | ||||||||||||||||||||||
| Hour (PDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 64 | 64 | 64 | 66 | 68 | 72 | 75 | 77 | 80 | 82 | 83 | 84 | 85 | 85 | 86 | 82 | 76 | 73 | 71 | 69 | 68 | 66 | 65 | 64 |
| Dewpoint (°F) | 52 | 53 | 53 | 54 | 55 | 57 | 57 | 56 | 56 | 55 | 54 | 53 | 52 | 51 | 54 | 54 | 54 | 54 | 55 | 55 | 55 | 53 | 54 | 54 |
| Heat Index (°F) | 75 | 77 | 80 | 81 | 82 | 82 | 83 | 83 | 84 | 81 | 76 | |||||||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 8 | 9 | 10 | 11 | 14 | 15 | 15 | 15 | 15 | 14 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 7 |
| Wind Dir | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | SW | WSW | SW | SW |
| Gust | 20 | 21 | 22 | 23 | 23 | 23 | 22 | 20 | ||||||||||||||||
| Sky Cover (%) | 10 | 10 | 9 | 5 | 4 | 2 | 3 | 5 | 4 | 5 | 5 | 3 | 4 | 6 | 3 | 8 | 10 | 14 | 7 | 10 | 8 | 11 | 9 | 14 |
| 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 (%) | 65 | 67 | 68 | 66 | 63 | 59 | 54 | 49 | 44 | 40 | 37 | 34 | 32 | 31 | 33 | 38 | 46 | 52 | 57 | 60 | 62 | 64 | 67 | 69 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/09 | |||||||||||||||||||||||
| Hour (PDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 62 | 62 | 62 | 64 | 67 | 70 | 73 | 75 | 77 | 79 | 81 | 82 | 82 | 83 | 81 | 79 | 75 | 72 | 68 | 66 | 64 | 62 | 61 | 60 |
| Dewpoint (°F) | 52 | 52 | 52 | 53 | 54 | 55 | 56 | 56 | 56 | 56 | 57 | 56 | 55 | 55 | 54 | 55 | 55 | 55 | 55 | 54 | 53 | 52 | 52 | 52 |
| Heat Index (°F) | 75 | 77 | 79 | 81 | 82 | 81 | 82 | 81 | 79 | 75 | ||||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 11 | 11 | 11 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 13 | 13 | 13 | 10 | 10 | 10 | 8 | 8 | 8 |
| Wind Dir | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW |
| Gust | 21 | 21 | 21 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 21 | 21 | 21 | 18 | 18 | 18 | ||||||
| Sky Cover (%) | 17 | 17 | 17 | 23 | 23 | 23 | 32 | 32 | 32 | 11 | 11 | 11 | 5 | 5 | 5 | 8 | 8 | 8 | 9 | 9 | 9 | 25 | 25 | 25 |
| 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 (%) | 70 | 71 | 71 | 68 | 64 | 60 | 56 | 52 | 49 | 45 | 44 | 41 | 39 | 38 | 40 | 44 | 50 | 56 | 62 | 65 | 67 | 69 | 72 | 75 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
