| Point Forecast: Washington DC, Reagan National Airport VA 38.84N 77.03W (Elev. 1 m) |
Last Update: 10:30 am EDT May 29, 2024 |
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| Date | 05/29 | 05/30 | ||||||||||||||||||||||
| Hour (EDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°C) | 23 | 24 | 25 | 25 | 25 | 22 | 21 | 21 | 20 | 19 | 19 | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 20 |
| Dewpoint (°C) | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 |
| Heat Index (°C) | 24 | 25 | 25 | 25 | ||||||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 7 | 7 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 11 | 11 | 11 |
| Wind Dir | NW | W | W | W | W | NW | NW | NW | NW | NW | NW | W | NW | NW | NW | NW | NW | NW | NW | NW | N | N | N | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 33 | 49 | 49 | 69 | 80 | 89 | 86 | 88 | 76 | 66 | 51 | 42 | 40 | 38 | 34 | 36 | 35 | 35 | 36 | 33 | 28 | 26 | 23 | 20 |
| Precipitation Potential (%) | 6 | 22 | 47 | 54 | 73 | 73 | 67 | 55 | 31 | 20 | 13 | 11 | 11 | 11 | 11 | 9 | 7 | 6 | 5 | 3 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 50 | 46 | 43 | 43 | 43 | 61 | 66 | 66 | 68 | 70 | 73 | 78 | 81 | 81 | 81 | 78 | 78 | 81 | 81 | 78 | 78 | 72 | 65 | 57 |
| Rain | -- | SChc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/31 | |||||||||||||||||||||||
| Hour (EDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°C) | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 21 | 19 | 18 | 17 | 16 | 15 | 14 | 14 | 13 | 14 | 14 | 16 | 17 | 19 |
| Dewpoint (°C) | 10 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 8 | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 8 | 8 | 9 | 9 | 10 | 11 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | N | N | N | N | N | N | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 19 | 20 | 22 | 24 | 24 | 22 | 21 | 21 | 21 | 19 | 17 | 15 | 13 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 7 | 6 | 6 |
| Precipitation Potential (%) | 2 | 2 | 2 | 14 | 14 | 14 | 14 | 14 | 14 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Relative Humidity (%) | 49 | 42 | 41 | 40 | 37 | 37 | 35 | 37 | 38 | 39 | 44 | 47 | 54 | 56 | 60 | 64 | 64 | 64 | 64 | 62 | 59 | 55 | 52 | 45 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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