| Point Forecast: 2 Miles NNE Arlington WA 48.19N 122.11W (Elev. 200 ft) |
Last Update: 3:40 pm PDT May 19, 2025 |
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| Date | 05/19 | 05/20 | ||||||||||||||||||||||
| Hour (PDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 51 | 50 | 49 | 48 | 48 | 47 | 47 | 46 | 46 | 45 | 46 | 47 | 48 | 51 | 52 | 54 | 56 | 57 | 57 | 57 | 58 | 57 | 56 | 53 |
| Dewpoint (°F) | 48 | 46 | 46 | 46 | 46 | 45 | 45 | 45 | 45 | 44 | 45 | 45 | 46 | 48 | 47 | 48 | 49 | 50 | 50 | 50 | 52 | 50 | 50 | 49 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 6 | 3 | 5 |
| Wind Dir | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | S | S | S | S | S | S | SSW | SSW | SW | SW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 89 | 87 | 88 | 87 | 89 | 80 | 90 | 91 | 90 | 91 | 91 | 87 | 87 | 80 | 79 | 76 | 73 | 75 | 88 | 88 | 82 | 82 | 86 | 89 |
| Precipitation Potential (%) | 73 | 55 | 52 | 69 | 65 | 66 | 72 | 69 | 84 | 61 | 55 | 61 | 73 | 59 | 39 | 44 | 54 | 62 | 82 | 81 | 72 | 72 | 72 | 72 |
| Relative Humidity (%) | 88 | 87 | 90 | 93 | 94 | 94 | 94 | 97 | 97 | 97 | 96 | 94 | 92 | 88 | 84 | 81 | 77 | 77 | 78 | 78 | 80 | 78 | 81 | 86 |
| Rain | Lkly | Lkly | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Ocnl | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Lkly | Ocnl | Ocnl | Lkly | Lkly | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- |
| Date | 05/21 | |||||||||||||||||||||||
| Hour (PDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 51 | 50 | 49 | 48 | 48 | 47 | 46 | 45 | 45 | 45 | 46 | 47 | 49 | 51 | 54 | 57 | 59 | 61 | 62 | 62 | 62 | 61 | 59 | 57 |
| Dewpoint (°F) | 48 | 48 | 47 | 47 | 47 | 47 | 46 | 45 | 45 | 45 | 45 | 46 | 46 | 47 | 48 | 48 | 48 | 48 | 48 | 47 | 47 | 46 | 46 | 46 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 5 | 5 | 5 | 8 | 8 | 8 | 5 |
| Wind Dir | SW | S | SSE | SSE | SSE | S | S | S | SSE | SSE | SSE | S | S | S | SSW | SSW | SSW | W | W | W | WNW | WNW | WNW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 91 | 94 | 93 | 93 | 93 | 88 | 88 | 88 | 85 | 85 | 85 | 70 | 70 | 70 | 53 | 53 | 53 | 39 | 39 | 39 | 62 | 62 | 62 | 63 |
| Precipitation Potential (%) | 72 | 72 | 47 | 47 | 47 | 47 | 47 | 47 | 21 | 21 | 21 | 21 | 21 | 21 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 |
| Relative Humidity (%) | 89 | 92 | 93 | 95 | 97 | 99 | 100 | 100 | 100 | 99 | 98 | 95 | 91 | 85 | 79 | 73 | 68 | 63 | 59 | 57 | 57 | 59 | 62 | 67 |
| Rain | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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