| Point Forecast: 5 Miles ENE Portland International Airport OR 45.61N 122.51W (Elev. 272 ft) |
Last Update: 8:41 am PDT Jul 13, 2026 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (PDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°F) | 58 | 61 | 68 | 72 | 77 | 80 | 84 | 85 | 86 | 87 | 86 | 85 | 83 | 76 | 72 | 68 | 65 | 63 | 61 | 58 | 58 | 56 | 56 | 58 |
| Dewpoint (°F) | 49 | 48 | 51 | 50 | 49 | 48 | 47 | 46 | 45 | 45 | 44 | 45 | 48 | 49 | 51 | 51 | 50 | 51 | 50 | 49 | 50 | 49 | 49 | 49 |
| Heat Index (°F) | 77 | 79 | 82 | 82 | 83 | 84 | 83 | 82 | 81 | 76 | ||||||||||||||
| Surface Wind (mph) | 2 | 2 | 3 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 7 | 7 | 7 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | 1 |
| Wind Dir | NNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NW | NW | NNW | NNW | NNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 11 | 12 | 3 | 2 | 1 | 1 | 1 | 2 | 2 | 3 | 2 | 2 | 6 | 4 | 4 | 4 | 2 | 3 | 2 | 2 | 2 | 7 | 7 | 7 |
| 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 (%) | 71 | 62 | 54 | 46 | 38 | 32 | 28 | 26 | 24 | 23 | 23 | 25 | 30 | 39 | 47 | 54 | 59 | 64 | 68 | 71 | 74 | 77 | 78 | 73 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (PDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°F) | 60 | 63 | 69 | 73 | 77 | 82 | 85 | 86 | 88 | 88 | 88 | 85 | 82 | 78 | 73 | 69 | 67 | 64 | 62 | 61 | 59 | 58 | 59 | 60 |
| Dewpoint (°F) | 49 | 49 | 52 | 52 | 52 | 53 | 52 | 51 | 50 | 49 | 49 | 49 | 51 | 52 | 51 | 51 | 51 | 50 | 50 | 50 | 50 | 50 | 51 | 51 |
| Heat Index (°F) | 77 | 81 | 83 | 84 | 85 | 85 | 85 | 83 | 81 | 78 | ||||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 6 | 6 | 6 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 7 | 7 | 7 | 3 | 3 | 3 | 1 | 1 | 1 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | 20 | 20 | 20 | |||||||||||||||||||||
| Sky Cover (%) | 8 | 8 | 8 | 5 | 5 | 5 | 7 | 7 | 7 | 2 | 2 | 2 | 12 | 12 | 12 | 29 | 29 | 29 | 22 | 22 | 22 | 23 | 23 | 23 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 |
| Relative Humidity (%) | 67 | 60 | 54 | 48 | 41 | 37 | 32 | 30 | 27 | 26 | 26 | 29 | 34 | 40 | 46 | 52 | 57 | 60 | 64 | 68 | 72 | 74 | 74 | 72 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
