Point Forecast: 2 Miles WNW Washington-Dulles International Airport VA 38.98N 77.5W (Elev. 256 ft) |
Last Update: 1:30 am EDT May 23, 2024 |
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Date | 05/23 | 05/24 | ||||||||||||||||||||||
Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
Temperature (°F) | 76 | 72 | 68 | 68 | 68 | 67 | 68 | 70 | 72 | 73 | 74 | 75 | 76 | 78 | 79 | 79 | 78 | 77 | 77 | 74 | 71 | 70 | 69 | 68 |
Dewpoint (°F) | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 68 | 69 | 68 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 68 | 67 | 67 | 67 | 66 | 66 |
Heat Index (°F) | 76 | 75 | 76 | 78 | 79 | 79 | 78 | 77 | 77 | |||||||||||||||
Surface Wind (mph) | 7 | 6 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
Wind Dir | S | S | SW | SW | SW | SW | W | W | NW | NW | NW | W | W | W | SW | SW | S | W | S | SW | N | NW | NW | NW |
Gust | ||||||||||||||||||||||||
Sky Cover (%) | 65 | 69 | 73 | 79 | 79 | 79 | 75 | 70 | 73 | 89 | 82 | 84 | 86 | 74 | 66 | 68 | 79 | 77 | 59 | 65 | 67 | 73 | 78 | 72 |
Precipitation Potential (%) | 14 | 9 | 17 | 24 | 48 | 48 | 48 | 62 | 62 | 62 | 54 | 54 | 54 | 58 | 58 | 58 | 83 | 83 | 83 | 63 | 63 | 63 | 49 | 49 |
Relative Humidity (%) | 71 | 81 | 93 | 93 | 93 | 97 | 93 | 93 | 90 | 84 | 82 | 76 | 74 | 69 | 67 | 67 | 69 | 71 | 74 | 79 | 87 | 90 | 90 | 93 |
Rain | -- | -- | SChc | SChc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Chc | Chc | Chc | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Chc | Chc |
Thunder | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Chc | Chc |
Date | 05/25 | |||||||||||||||||||||||
Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
Temperature (°F) | 67 | 66 | 65 | 65 | 65 | 65 | 66 | 68 | 70 | 73 | 76 | 78 | 80 | 81 | 82 | 82 | 82 | 81 | 79 | 77 | 75 | 72 | 70 | 69 |
Dewpoint (°F) | 65 | 65 | 64 | 64 | 64 | 64 | 65 | 66 | 66 | 66 | 65 | 64 | 64 | 63 | 62 | 62 | 62 | 63 | 65 | 66 | 66 | 66 | 65 | 65 |
Heat Index (°F) | 76 | 78 | 82 | 82 | 83 | 83 | 83 | 82 | 79 | 77 | 75 | |||||||||||||
Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
Wind Dir | W | W | W | W | NW | NW | NW | N | NW | N | N | N | N | N | NW | NW | W | W | SW | S | S | S | S | S |
Gust | ||||||||||||||||||||||||
Sky Cover (%) | 68 | 65 | 55 | 58 | 53 | 58 | 53 | 47 | 49 | 39 | 29 | 29 | 28 | 28 | 30 | 34 | 36 | 37 | 38 | 38 | 39 | 42 | 43 | 47 |
Precipitation Potential (%) | 49 | 35 | 35 | 35 | 27 | 27 | 27 | 23 | 23 | 23 | 23 | 23 | 23 | 37 | 37 | 37 | 37 | 37 | 37 | 34 | 34 | 34 | 34 | 34 |
Relative Humidity (%) | 93 | 97 | 97 | 97 | 97 | 97 | 97 | 93 | 87 | 79 | 69 | 62 | 58 | 54 | 51 | 51 | 51 | 54 | 62 | 69 | 74 | 81 | 84 | 87 |
Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
Thunder | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
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