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| Point Forecast: 2 Miles SE Portland International Airport OR 45.56N 122.56W (Elev. 200 ft) |
Last Update: 6:41 pm PDT Apr 25, 2024 |
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| Date | 04/25 | 04/26 | ||||||||||||||||||||||
| Hour (PDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 55 | 55 | 54 | 53 | 53 | 52 | 53 | 52 | 51 | 51 | 50 | 50 | 50 | 50 | 50 | 50 | 52 | 52 | 53 | 54 | 55 | 56 | 56 | 55 |
| Dewpoint (°F) | 50 | 49 | 48 | 48 | 48 | 48 | 50 | 49 | 48 | 48 | 47 | 47 | 48 | 48 | 47 | 47 | 48 | 48 | 48 | 49 | 50 | 49 | 50 | 49 |
| Wind Chill (°F) | 45 | 45 | 45 | 45 | 45 | 46 | ||||||||||||||||||
| Surface Wind (mph) | 17 | 14 | 13 | 13 | 11 | 11 | 13 | 11 | 11 | 10 | 11 | 10 | 10 | 11 | 11 | 10 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 10 |
| Wind Dir | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW |
| Gust | 25 | 22 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | |||||||||||||
| Sky Cover (%) | 96 | 98 | 95 | 93 | 95 | 91 | 93 | 90 | 90 | 89 | 90 | 89 | 89 | 93 | 88 | 88 | 90 | 91 | 90 | 94 | 99 | 98 | 100 | 92 |
| Precipitation Potential (%) | 93 | 97 | 92 | 89 | 92 | 86 | 89 | 81 | 71 | 60 | 52 | 48 | 45 | 46 | 50 | 53 | 67 | 68 | 79 | 91 | 98 | 97 | 100 | 75 |
| Relative Humidity (%) | 82 | 79 | 81 | 83 | 84 | 87 | 88 | 90 | 89 | 88 | 90 | 91 | 93 | 93 | 91 | 90 | 87 | 87 | 83 | 83 | 83 | 77 | 78 | 79 |
| Rain | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 04/27 | |||||||||||||||||||||||
| Hour (PDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 55 | 55 | 53 | 53 | 52 | 51 | 50 | 49 | 49 | 48 | 48 | 48 | 48 | 48 | 48 | 49 | 51 | 52 | 53 | 54 | 55 | 55 | 55 | 55 |
| Dewpoint (°F) | 48 | 48 | 47 | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 46 | 46 | 46 | 46 |
| Wind Chill (°F) | 47 | 46 | 45 | 44 | 44 | 44 | 44 | 44 | 43 | 45 | ||||||||||||||
| Surface Wind (mph) | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 |
| Wind Dir | SW | SW | SW | SW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | S |
| Gust | 18 | |||||||||||||||||||||||
| Sky Cover (%) | 92 | 92 | 86 | 86 | 86 | 82 | 82 | 82 | 83 | 83 | 83 | 80 | 80 | 80 | 80 | 80 | 80 | 79 | 79 | 79 | 80 | 80 | 80 | 85 |
| Precipitation Potential (%) | 75 | 75 | 75 | 75 | 75 | 28 | 28 | 28 | 28 | 28 | 28 | 19 | 19 | 19 | 19 | 19 | 19 | 64 | 64 | 64 | 64 | 64 | 64 | 74 |
| Relative Humidity (%) | 76 | 76 | 80 | 81 | 83 | 84 | 86 | 87 | 89 | 90 | 92 | 93 | 92 | 92 | 91 | 86 | 81 | 76 | 75 | 73 | 72 | 72 | 73 | 73 |
| Rain | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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