| Point Forecast: Washington-Dulles International Airport VA 38.95N 77.44W (Elev. 285 ft) |
Last Update: 7:29 pm EDT Jun 1, 2024 |
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| Date | 06/01 | 06/02 | ||||||||||||||||||||||
| Hour (EDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°F) | 76 | 72 | 69 | 66 | 64 | 63 | 61 | 60 | 59 | 59 | 59 | 61 | 65 | 70 | 75 | 80 | 82 | 83 | 83 | 82 | 81 | 80 | 78 | 75 |
| Dewpoint (°F) | 51 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 54 | 55 | 56 | 56 | 56 | 57 | 57 | 58 | 58 | 60 | 60 | 60 |
| Heat Index (°F) | 76 | 75 | 80 | 82 | 82 | 82 | 82 | 81 | 81 | 78 | 75 | |||||||||||||
| Surface Wind (mph) | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 7 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 25 | 29 | 33 | 37 | 38 | 39 | 40 | 43 | 46 | 49 | 52 | 55 | 58 | 67 | 77 | 86 | 79 | 72 | 65 | 67 | 69 | 71 | 79 | 86 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 20 | 20 | 20 | 20 | 20 |
| Relative Humidity (%) | 42 | 49 | 55 | 61 | 65 | 67 | 72 | 75 | 78 | 78 | 78 | 72 | 68 | 59 | 52 | 44 | 41 | 41 | 41 | 44 | 46 | 51 | 54 | 60 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/03 | |||||||||||||||||||||||
| Hour (EDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°F) | 73 | 72 | 70 | 69 | 68 | 66 | 66 | 65 | 64 | 64 | 64 | 65 | 66 | 70 | 74 | 77 | 79 | 81 | 82 | 83 | 84 | 84 | 83 | 80 |
| Dewpoint (°F) | 60 | 61 | 61 | 61 | 62 | 62 | 61 | 61 | 61 | 62 | 63 | 64 | 65 | 65 | 65 | 65 | 65 | 64 | 64 | 64 | 64 | 64 | 64 | 65 |
| Heat Index (°F) | 77 | 79 | 83 | 83 | 84 | 85 | 85 | 84 | 82 | |||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 5 | 5 | 5 | 3 | 3 | 3 | 3 |
| Wind Dir | S | S | S | S | S | SW | SW | SW | S | S | SW | SW | SW | W | W | W | W | NW | NW | NW | NW | N | N | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 94 | 93 | 91 | 90 | 84 | 78 | 72 | 73 | 75 | 76 | 75 | 73 | 72 | 68 | 63 | 59 | 55 | 51 | 47 | 47 | 47 | 47 | 52 | 56 |
| Precipitation Potential (%) | 30 | 30 | 30 | 30 | 30 | 30 | 40 | 40 | 40 | 40 | 40 | 40 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Relative Humidity (%) | 64 | 68 | 73 | 76 | 81 | 87 | 84 | 87 | 90 | 93 | 97 | 97 | 97 | 84 | 74 | 67 | 62 | 56 | 55 | 53 | 51 | 51 | 53 | 60 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
| Thunder | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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