| Point Forecast: Washington-Dulles International Airport VA 38.95N 77.44W (Elev. 285 ft) |
Last Update: 1:58 pm EDT May 24, 2024 |
 |
|
[show menu] |
| Date | 05/24 | 05/25 | ||||||||||||||||||||||
| Hour (EDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 83 | 83 | 84 | 84 | 84 | 82 | 79 | 75 | 72 | 71 | 69 | 68 | 67 | 66 | 64 | 64 | 63 | 65 | 69 | 73 | 77 | 81 | 82 | 84 |
| Dewpoint (°F) | 64 | 65 | 65 | 65 | 65 | 65 | 64 | 65 | 65 | 64 | 65 | 64 | 63 | 64 | 63 | 62 | 62 | 63 | 65 | 66 | 66 | 65 | 64 | 63 |
| Heat Index (°F) | 84 | 85 | 86 | 86 | 86 | 84 | 79 | 75 | 76 | 79 | 83 | 84 | ||||||||||||
| Surface Wind (mph) | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 |
| Wind Dir | NE | NE | E | SE | N | W | SW | SW | SW | SW | SW | S | SW | SW | SW | SW | S | W | SW | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 63 | 53 | 42 | 38 | 32 | 26 | 20 | 19 | 18 | 17 | 16 | 14 | 13 | 24 | 35 | 47 | 48 | 49 | 50 | 51 | 53 | 54 | 55 | 57 |
| Precipitation Potential (%) | 12 | 12 | 12 | 10 | 10 | 10 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 5 | 5 | 5 | 2 | 2 | 2 |
| Relative Humidity (%) | 53 | 55 | 53 | 53 | 53 | 56 | 60 | 71 | 79 | 79 | 87 | 87 | 87 | 93 | 97 | 93 | 97 | 93 | 90 | 81 | 71 | 64 | 60 | 56 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/26 | |||||||||||||||||||||||
| Hour (EDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 84 | 84 | 84 | 84 | 83 | 81 | 79 | 76 | 74 | 72 | 71 | 70 | 69 | 68 | 66 | 66 | 67 | 68 | 70 | 73 | 76 | 79 | 81 | 83 |
| Dewpoint (°F) | 63 | 63 | 63 | 64 | 64 | 64 | 65 | 66 | 66 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 66 | 66 | 67 | 68 | 68 | 68 | 68 | 67 |
| Heat Index (°F) | 85 | 85 | 85 | 85 | 84 | 83 | 78 | 76 | 76 | 79 | 84 | 86 | ||||||||||||
| Surface Wind (mph) | 5 | 5 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 5 |
| Wind Dir | S | S | S | S | S | S | S | E | SE | S | S | S | S | S | S | S | S | S | S | SE | SE | SE | SE | SE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 58 | 53 | 48 | 43 | 47 | 51 | 55 | 55 | 56 | 57 | 56 | 54 | 53 | 55 | 57 | 59 | 52 | 46 | 39 | 36 | 32 | 29 | 35 | 42 |
| Precipitation Potential (%) | 23 | 23 | 23 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 |
| Relative Humidity (%) | 49 | 49 | 49 | 51 | 53 | 56 | 67 | 71 | 74 | 79 | 84 | 87 | 87 | 90 | 97 | 97 | 97 | 93 | 90 | 84 | 76 | 69 | 65 | 59 |
| Rain | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| ||||||||||||