| Point Forecast: Washington DC 38.89N 77.02W (Elev. 20 ft) |
Last Update: 10:44 pm EDT May 7, 2024 |
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| Date | 05/08 | 05/09 | ||||||||||||||||||||||
| 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) | 69 | 68 | 67 | 67 | 66 | 67 | 67 | 68 | 73 | 76 | 79 | 82 | 85 | 85 | 85 | 86 | 86 | 85 | 84 | 79 | 76 | 74 | 72 | 72 |
| Dewpoint (°F) | 66 | 65 | 65 | 65 | 66 | 66 | 66 | 67 | 67 | 66 | 65 | 64 | 62 | 62 | 61 | 60 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 |
| Heat Index (°F) | 76 | 79 | 83 | 86 | 86 | 85 | 86 | 85 | 85 | 84 | 79 | 76 | ||||||||||||
| Surface Wind (mph) | 3 | 3 | 5 | 3 | 5 | 3 | 5 | 5 | 6 | 7 | 9 | 10 | 11 | 11 | 13 | 13 | 11 | 10 | 8 | 6 | 5 | 3 | 3 | 3 |
| Wind Dir | S | S | S | S | S | S | SW | S | S | SW | W | W | W | W | W | W | W | W | W | W | W | W | W | SW |
| Gust | 20 | 21 | 21 | 20 | ||||||||||||||||||||
| Sky Cover (%) | 55 | 62 | 72 | 81 | 85 | 88 | 88 | 89 | 75 | 65 | 53 | 48 | 37 | 41 | 41 | 43 | 44 | 41 | 38 | 35 | 35 | 36 | 36 | 41 |
| Precipitation Potential (%) | 4 | 3 | 10 | 15 | 35 | 39 | 31 | 18 | 16 | 14 | 12 | 13 | 11 | 20 | 20 | 20 | 13 | 13 | 13 | 12 | 12 | 12 | 24 | 24 |
| Relative Humidity (%) | 90 | 90 | 93 | 93 | 100 | 97 | 97 | 97 | 81 | 71 | 62 | 55 | 46 | 46 | 45 | 42 | 40 | 41 | 43 | 50 | 56 | 59 | 64 | 64 |
| Rain | -- | -- | -- | SChc | Chc | Chc | Chc | SChc | SChc | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | SChc | SChc |
| Thunder | -- | -- | -- | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/10 | |||||||||||||||||||||||
| 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) | 71 | 69 | 68 | 67 | 67 | 66 | 66 | 68 | 70 | 73 | 75 | 76 | 76 | 77 | 78 | 79 | 79 | 79 | 77 | 75 | 73 | 71 | 69 | 68 |
| Dewpoint (°F) | 60 | 61 | 60 | 60 | 60 | 61 | 61 | 64 | 64 | 65 | 65 | 65 | 65 | 65 | 65 | 64 | 64 | 64 | 64 | 64 | 63 | 62 | 61 | 61 |
| Heat Index (°F) | 75 | 76 | 76 | 77 | 78 | 79 | 79 | 79 | 77 | 75 | ||||||||||||||
| Surface Wind (mph) | 3 | 3 | 2 | 2 | 5 | 5 | 5 | 5 | 6 | 7 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 7 | 6 | 6 | 6 | 6 |
| Wind Dir | SW | SW | SW | S | SE | S | S | S | S | S | S | S | SW | SW | SW | W | NW | NW | N | N | N | N | N | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 44 | 41 | 46 | 52 | 56 | 69 | 77 | 86 | 86 | 85 | 83 | 83 | 83 | 83 | 79 | 73 | 69 | 64 | 56 | 51 | 47 | 41 | 38 | 37 |
| Precipitation Potential (%) | 24 | 35 | 35 | 35 | 46 | 46 | 46 | 68 | 68 | 68 | 68 | 68 | 68 | 87 | 87 | 87 | 87 | 87 | 87 | 41 | 41 | 41 | 41 | 41 |
| Relative Humidity (%) | 68 | 76 | 76 | 78 | 78 | 84 | 84 | 87 | 81 | 76 | 71 | 69 | 69 | 67 | 64 | 60 | 60 | 60 | 64 | 69 | 71 | 73 | 76 | 78 |
| Rain | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | SChc | SChc | SChc | Chc | Chc | Chc | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc |
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