| Point Forecast: 2 Miles SSW Washington DC, Reagan National Airport VA 38.82N 77.04W (Elev. 3 ft) |
Last Update: 3:19 am EDT Jun 17, 2024 |
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| Date | 06/17 | 06/18 | ||||||||||||||||||||||
| Hour (EDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 72 | 71 | 70 | 69 | 70 | 73 | 76 | 79 | 82 | 83 | 85 | 87 | 88 | 90 | 91 | 89 | 87 | 84 | 82 | 79 | 77 | 76 | 75 | 74 |
| Dewpoint (°F) | 58 | 58 | 58 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 65 | 65 | 66 | 66 | 66 | 66 | 67 | 66 | 65 | 64 | 64 | 64 | 64 |
| Heat Index (°F) | 76 | 79 | 83 | 84 | 87 | 89 | 90 | 93 | 94 | 92 | 89 | 87 | 84 | 79 | 77 | 76 | 75 | |||||||
| Surface Wind (mph) | 10 | 8 | 8 | 8 | 9 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 |
| 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 | 18 | 18 | ||||||||||||||||||||||
| Sky Cover (%) | 54 | 31 | 33 | 35 | 37 | 37 | 35 | 43 | 44 | 46 | 44 | 43 | 44 | 44 | 44 | 47 | 43 | 39 | 28 | 28 | 26 | 21 | 31 | 25 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
| Relative Humidity (%) | 61 | 63 | 66 | 68 | 68 | 64 | 60 | 56 | 53 | 53 | 51 | 48 | 47 | 45 | 44 | 47 | 50 | 57 | 58 | 62 | 64 | 66 | 69 | 71 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/19 | |||||||||||||||||||||||
| Hour (EDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 73 | 72 | 72 | 71 | 72 | 75 | 78 | 81 | 84 | 85 | 86 | 87 | 89 | 90 | 91 | 89 | 86 | 83 | 80 | 77 | 74 | 73 | 72 | 71 |
| Dewpoint (°F) | 64 | 64 | 64 | 64 | 64 | 65 | 65 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 65 | 65 | 64 | 63 | 65 | 64 | 65 | 65 | 65 |
| Heat Index (°F) | 75 | 78 | 83 | 86 | 87 | 88 | 89 | 92 | 93 | 94 | 91 | 88 | 84 | 81 | 77 | |||||||||
| Surface Wind (mph) | 8 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 7 | 7 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SE | SE | SE | SE | SE | SE | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 23 | 24 | 27 | 32 | 36 | 39 | 40 | 36 | 34 | 33 | 35 | 38 | 44 | 42 | 37 | 30 | 22 | 15 | 10 | 9 | 10 | 18 | 22 | 26 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 73 | 76 | 76 | 79 | 76 | 71 | 64 | 60 | 55 | 53 | 51 | 50 | 47 | 45 | 44 | 45 | 50 | 53 | 56 | 67 | 71 | 76 | 79 | 81 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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