| Point Forecast: Washington DC 38.89N 77.02W (Elev. 20 ft) |
Last Update: 10:30 am EDT Jun 21, 2024 |
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| Date | 06/21 | 06/22 | ||||||||||||||||||||||
| 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 (°F) | 86 | 88 | 91 | 93 | 94 | 95 | 95 | 94 | 93 | 90 | 86 | 84 | 82 | 80 | 79 | 78 | 78 | 76 | 76 | 76 | 77 | 81 | 84 | 88 |
| Dewpoint (°F) | 66 | 65 | 64 | 63 | 63 | 64 | 64 | 65 | 66 | 67 | 68 | 69 | 69 | 69 | 69 | 69 | 69 | 68 | 68 | 68 | 69 | 68 | 68 | 68 |
| Heat Index (°F) | 88 | 90 | 93 | 94 | 95 | 97 | 97 | 97 | 96 | 93 | 89 | 88 | 85 | 83 | 79 | 78 | 78 | 76 | 76 | 76 | 77 | 84 | 87 | 92 |
| Surface Wind (mph) | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 12 | 11 | 11 | 12 | 11 | 11 | 15 | 15 | 15 | 15 | 14 | 16 | 21 | 22 | 20 | 17 | 13 | 12 | 12 | 13 | 14 | 15 | 13 | 10 |
| Precipitation Potential (%) | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 51 | 47 | 41 | 37 | 36 | 36 | 36 | 39 | 41 | 47 | 55 | 61 | 65 | 69 | 72 | 74 | 74 | 76 | 76 | 76 | 76 | 65 | 59 | 52 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/23 | |||||||||||||||||||||||
| 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 (°F) | 92 | 95 | 96 | 98 | 99 | 100 | 98 | 97 | 95 | 93 | 91 | 88 | 86 | 85 | 85 | 84 | 83 | 82 | 81 | 81 | 82 | 84 | 87 | 90 |
| Dewpoint (°F) | 69 | 68 | 68 | 68 | 68 | 69 | 69 | 69 | 70 | 70 | 71 | 71 | 71 | 70 | 70 | 69 | 69 | 69 | 69 | 70 | 70 | 71 | 72 | 72 |
| Heat Index (°F) | 97 | 100 | 101 | 104 | 105 | 107 | 104 | 103 | 102 | 99 | 98 | 94 | 91 | 90 | 90 | 88 | 87 | 85 | 84 | 85 | 86 | 89 | 94 | 97 |
| Surface Wind (mph) | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 7 |
| Wind Dir | S | S | S | S | SW | SW | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 11 | 16 | 24 | 31 | 35 | 37 | 38 | 40 | 42 | 44 | 44 | 43 | 41 | 37 | 37 | 32 | 26 | 22 | 21 | 24 | 29 | 33 | 34 | 34 |
| Precipitation Potential (%) | 2 | 2 | 2 | 18 | 18 | 18 | 18 | 18 | 18 | 15 | 15 | 15 | 15 | 15 | 15 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 3 |
| Relative Humidity (%) | 47 | 42 | 40 | 38 | 37 | 37 | 39 | 40 | 45 | 47 | 52 | 57 | 61 | 61 | 61 | 61 | 63 | 65 | 67 | 69 | 67 | 65 | 61 | 56 |
| Rain | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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