| Point Forecast: 4 Miles W Cascade Locks OR 45.67N 121.94W (Elev. 155 m) |
Last Update: 2:41 am PDT Sep 13, 2026 |
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| Date | 09/13 | 09/14 | ||||||||||||||||||||||
| Hour (PDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°C) | 13 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 |
| Dewpoint (°C) | 12 | 12 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 12 | 12 | 12 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 14 | 16 | 15 | 15 | 17 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 15 | 14 | 11 | 11 | 11 | 13 | 13 | 13 | 11 | 10 | 10 |
| Wind Dir | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW |
| Gust | 29 | 29 | 30 | 30 | 29 | 29 | 29 | |||||||||||||||||
| Sky Cover (%) | 82 | 87 | 81 | 89 | 93 | 86 | 90 | 87 | 87 | 90 | 97 | 93 | 96 | 95 | 85 | 81 | 73 | 78 | 79 | 68 | 77 | 79 | 73 | 62 |
| Precipitation Potential (%) | 67 | 69 | 28 | 24 | 28 | 39 | 54 | 77 | 79 | 84 | 95 | 83 | 60 | 47 | 40 | 32 | 27 | 17 | 9 | 9 | 11 | 8 | 10 | 10 |
| Relative Humidity (%) | 92 | 93 | 94 | 96 | 96 | 93 | 93 | 93 | 91 | 99 | 100 | 100 | 100 | 97 | 94 | 88 | 83 | 83 | 84 | 86 | 85 | 87 | 88 | 90 |
| Rain | Lkly | Lkly | Chc | SChc | Chc | Chc | Chc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Chc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/15 | |||||||||||||||||||||||
| Hour (PDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°C) | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 16 | 17 | 18 | 18 | 19 | 19 | 19 | 20 | 19 | 17 | 16 | 14 | 14 | 13 | 13 | 12 |
| Dewpoint (°C) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 5 | 5 | 5 | 5 | 5 | 5 | 3 |
| Wind Dir | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 78 | 78 | 78 | 78 | 78 | 59 | 59 | 59 | 45 | 45 | 45 | 21 | 21 | 21 | 35 | 35 | 35 | 31 | 31 | 31 | 35 | 35 | 35 | 29 |
| Precipitation Potential (%) | 9 | 5 | 4 | 4 | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 91 | 92 | 92 | 95 | 94 | 91 | 88 | 84 | 77 | 71 | 67 | 64 | 60 | 59 | 57 | 58 | 63 | 70 | 75 | 78 | 81 | 84 | 86 | 88 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
