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| Point Forecast: 6 Miles NE Portland International Airport OR 45.66N 122.52W (Elev. 226 ft) |
Last Update: 4:01 am PDT Aug 11, 2020 |
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| Date | 08/11 | 08/12 | ||||||||||||||||||||||
| 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) | 55 | 54 | 54 | 53 | 56 | 58 | 62 | 65 | 68 | 71 | 75 | 77 | 77 | 78 | 76 | 73 | 69 | 66 | 62 | 60 | 58 | 57 | 55 | 54 |
| Dewpoint (°F) | 51 | 50 | 50 | 50 | 50 | 50 | 51 | 50 | 50 | 49 | 49 | 47 | 47 | 47 | 46 | 46 | 46 | 47 | 47 | 47 | 48 | 48 | 48 | 48 |
| Heat Index (°F) | 75 | 77 | 77 | 78 | 76 | |||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 10 | 10 | 10 | 9 | 9 | 9 | 7 | 7 | 7 | 5 | 5 |
| Wind Dir | NW | NW | NW | NW | W | W | W | W | W | W | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | 18 | 18 | 18 | |||||||||||||||||||||
| Sky Cover (%) | 8 | 53 | 53 | 53 | 70 | 70 | 70 | 15 | 15 | 15 | 7 | 7 | 7 | 10 | 10 | 10 | 29 | 29 | 29 | 38 | 38 | 38 | 45 | 45 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 85 | 87 | 86 | 89 | 81 | 75 | 68 | 59 | 53 | 45 | 40 | 35 | 35 | 34 | 35 | 38 | 43 | 51 | 57 | 62 | 70 | 73 | 77 | 80 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/13 | |||||||||||||||||||||||
| 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) | 53 | 52 | 52 | 53 | 55 | 57 | 60 | 62 | 67 | 69 | 71 | 72 | 74 | 74 | 73 | 71 | 69 | 66 | 63 | 60 | 57 | 55 | 53 | 52 |
| Dewpoint (°F) | 48 | 47 | 48 | 48 | 49 | 49 | 49 | 48 | 49 | 48 | 48 | 47 | 48 | 47 | 47 | 47 | 49 | 49 | 50 | 50 | 49 | 48 | 47 | 47 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 5 | 5 | 6 | 6 | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 3 | 3 |
| Wind Dir | NW | NNW | NNW | NNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NNW | NNW | NNW | NW | NW | NW | NNW | NNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 45 | 85 | 85 | 85 | 88 | 88 | 88 | 63 | 63 | 63 | 37 | 37 | 37 | 11 | 11 | 11 | 10 | 10 | 10 | 7 | 7 | 7 | 18 | 18 |
| Precipitation Potential (%) | 2 | 10 | 10 | 10 | 10 | 10 | 10 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 83 | 84 | 86 | 83 | 80 | 74 | 67 | 60 | 52 | 47 | 44 | 41 | 39 | 38 | 39 | 43 | 48 | 55 | 63 | 69 | 74 | 78 | 81 | 84 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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