| Point Forecast: Arlington VA 38.89N 77.08W (Elev. 47 m) |
Last Update: 10:30 pm EDT May 26, 2024 |
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| Date | 05/26 | 05/27 | ||||||||||||||||||||||
| Hour (EDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°C) | 24 | 23 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 24 | 23 |
| Dewpoint (°C) | 20 | 20 | 20 | 19 | 19 | 19 | 20 | 19 | 20 | 19 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 19 |
| Heat Index (°C) | 24 | 24 | 25 | 26 | 29 | 30 | 30 | 31 | 29 | 28 | 26 | 24 | ||||||||||||
| Surface Wind (mph) | 8 | 7 | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 9 | 9 | 10 | 13 | 13 | 11 | 11 | 13 | 13 | 13 | 10 | 9 | 9 | 8 | 7 |
| Wind Dir | S | SE | SE | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 85 | 82 | 91 | 87 | 84 | 78 | 79 | 80 | 80 | 84 | 79 | 89 | 85 | 87 | 80 | 72 | 64 | 68 | 56 | 57 | 57 | 76 | 67 | 62 |
| Precipitation Potential (%) | 36 | 65 | 56 | 42 | 37 | 32 | 31 | 31 | 31 | 45 | 45 | 45 | 41 | 41 | 41 | 75 | 75 | 75 | 80 | 80 | 80 | 40 | 40 | 40 |
| Relative Humidity (%) | 79 | 84 | 87 | 87 | 90 | 90 | 97 | 93 | 93 | 90 | 90 | 87 | 82 | 76 | 74 | 67 | 67 | 67 | 63 | 67 | 67 | 69 | 79 | 81 |
| Rain | Chc | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc |
| Thunder | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc |
| Date | 05/28 | |||||||||||||||||||||||
| Hour (EDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°C) | 23 | 22 | 22 | 21 | 20 | 19 | 19 | 19 | 19 | 21 | 22 | 23 | 24 | 26 | 26 | 27 | 27 | 28 | 28 | 27 | 27 | 26 | 24 | 23 |
| Dewpoint (°C) | 19 | 19 | 19 | 19 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 |
| Heat Index (°C) | 24 | 26 | 26 | 27 | 27 | 28 | 28 | 27 | 27 | 26 | 24 | |||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 8 | 8 | 6 |
| Wind Dir | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 58 | 43 | 33 | 29 | 27 | 26 | 25 | 19 | 14 | 9 | 10 | 13 | 18 | 22 | 27 | 32 | 36 | 39 | 41 | 39 | 35 | 29 | 22 | 16 |
| Precipitation Potential (%) | 28 | 28 | 28 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 17 | 17 | 17 | 17 | 17 | 17 | 10 | 10 | 10 |
| Relative Humidity (%) | 81 | 81 | 84 | 87 | 87 | 87 | 87 | 84 | 81 | 76 | 68 | 62 | 56 | 50 | 49 | 45 | 42 | 41 | 41 | 42 | 45 | 48 | 52 | 55 |
| Rain | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- |
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