| Point Forecast: 2 Miles ESE Multnomah Falls OR 45.57N 122.06W (Elev. 1598 ft) |
Last Update: 3:41 am PDT Jul 21, 2026 |
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| Date | 07/21 | 07/22 | ||||||||||||||||||||||
| Hour (PDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°F) | 69 | 69 | 68 | 69 | 70 | 73 | 77 | 80 | 83 | 85 | 86 | 87 | 87 | 88 | 88 | 86 | 84 | 82 | 81 | 80 | 79 | 77 | 75 | 73 |
| Dewpoint (°F) | 53 | 52 | 52 | 54 | 55 | 56 | 59 | 60 | 61 | 61 | 60 | 60 | 59 | 59 | 59 | 60 | 60 | 60 | 60 | 60 | 58 | 59 | 59 | 58 |
| Heat Index (°F) | 77 | 81 | 84 | 85 | 86 | 87 | 86 | 87 | 87 | 86 | 84 | 82 | 82 | 81 | 79 | 77 | 75 | |||||||
| Surface Wind (mph) | 6 | 6 | 5 | 3 | 2 | 2 | 2 | 3 | 5 | 5 | 6 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 |
| Wind Dir | E | E | E | E | ENE | NNE | NNE | NNW | NW | WNW | W | W | W | W | W | W | SW | SW | SSW | S | S | S | SSW | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 50 | 63 | 62 | 51 | 37 | 44 | 41 | 30 | 40 | 44 | 41 | 46 | 27 | 43 | 37 | 45 | 51 | 60 | 56 | 55 | 39 | 46 | 38 | 20 |
| Precipitation Potential (%) | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 0 |
| Relative Humidity (%) | 56 | 55 | 57 | 59 | 58 | 55 | 53 | 51 | 48 | 45 | 42 | 41 | 39 | 38 | 38 | 41 | 45 | 48 | 49 | 51 | 49 | 54 | 57 | 59 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/23 | |||||||||||||||||||||||
| Hour (PDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°F) | 72 | 72 | 71 | 72 | 73 | 76 | 79 | 81 | 85 | 87 | 88 | 88 | 89 | 88 | 89 | 87 | 84 | 82 | 81 | 79 | 77 | 75 | 73 | 71 |
| Dewpoint (°F) | 58 | 58 | 57 | 58 | 58 | 61 | 62 | 63 | 65 | 65 | 64 | 63 | 62 | 61 | 62 | 61 | 61 | 62 | 62 | 62 | 62 | 62 | 61 | 61 |
| Heat Index (°F) | 76 | 79 | 82 | 87 | 89 | 89 | 89 | 90 | 88 | 89 | 87 | 84 | 83 | 82 | 79 | 77 | 75 | |||||||
| Surface Wind (mph) | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 6 | 6 | 6 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 |
| Wind Dir | S | S | S | S | WSW | WSW | WSW | W | W | W | W | W | W | W | W | W | WSW | WSW | WSW | SW | SW | SW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 22 | 10 | 10 | 10 | 22 | 22 | 22 | 17 | 17 | 17 | 32 | 32 | 32 | 38 | 38 | 38 | 55 | 55 | 55 | 60 | 60 | 60 | 60 | 60 |
| Precipitation Potential (%) | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 18 | 18 | 18 | 18 | 18 | 18 | 40 | 40 | 40 | 40 | 40 |
| Relative Humidity (%) | 61 | 61 | 61 | 62 | 60 | 59 | 57 | 55 | 51 | 48 | 45 | 43 | 41 | 41 | 40 | 42 | 46 | 50 | 53 | 57 | 60 | 64 | 67 | 71 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
