| Point Forecast: Washington DC, Reagan National Airport VA 38.84N 77.03W (Elev. 3 ft) |
Last Update: 1:30 pm EDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| 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) | 86 | 87 | 87 | 86 | 85 | 85 | 83 | 81 | 79 | 78 | 78 | 77 | 77 | 76 | 76 | 76 | 76 | 76 | 77 | 79 | 80 | 81 | 83 | 84 |
| Dewpoint (°F) | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 73 | 74 | 73 | 73 | 74 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 74 | 75 | 75 | 75 | 75 |
| Heat Index (°F) | 95 | 96 | 96 | 95 | 94 | 93 | 90 | 86 | 79 | 78 | 78 | 77 | 77 | 76 | 76 | 76 | 76 | 76 | 77 | 79 | 85 | 87 | 90 | 92 |
| Surface Wind (mph) | 7 | 7 | 8 | 8 | 8 | 7 | 8 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 6 |
| Wind Dir | SE | SE | SE | SE | SE | SE | SE | SE | S | S | S | S | S | S | S | S | SE | SE | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 93 | 88 | 78 | 68 | 58 | 63 | 40 | 53 | 59 | 65 | 59 | 62 | 72 | 63 | 55 | 75 | 74 | 66 | 76 | 63 | 62 | 69 | 57 | 61 |
| Precipitation Potential (%) | 89 | 81 | 67 | 52 | 37 | 29 | 21 | 30 | 38 | 47 | 38 | 39 | 26 | 20 | 25 | 26 | 22 | 18 | 18 | 17 | 17 | 16 | 35 | 41 |
| Relative Humidity (%) | 70 | 68 | 68 | 70 | 72 | 70 | 74 | 77 | 85 | 85 | 85 | 90 | 87 | 90 | 90 | 90 | 90 | 90 | 87 | 85 | 85 | 82 | 77 | 74 |
| Rain | Ocnl | Ocnl | Lkly | Chc | Chc | Chc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc |
| Thunder | Chc | Chc | Chc | Chc | Chc | Chc | SChc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | Chc | Chc |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| 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) | 85 | 85 | 85 | 83 | 83 | 81 | 80 | 79 | 78 | 77 | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 76 | 77 | 78 | 80 | 81 | 83 | 84 |
| Dewpoint (°F) | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 73 | 73 | 74 | 74 | 73 | 73 | 73 | 72 | 72 | 72 | 73 | 73 | 73 | 74 | 74 | 74 | 74 |
| Heat Index (°F) | 94 | 94 | 94 | 90 | 90 | 86 | 84 | 79 | 78 | 77 | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 76 | 77 | 78 | 84 | 86 | 90 | 91 |
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 |
| Wind Dir | S | S | S | SE | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SE | SE | SE | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 73 | 80 | 77 | 77 | 80 | 81 | 81 | 71 | 76 | 81 | 80 | 80 | 79 | 81 | 82 | 84 | 81 | 78 | 75 | 75 | 76 | 76 | 77 | 79 |
| Precipitation Potential (%) | 60 | 69 | 65 | 65 | 69 | 71 | 57 | 57 | 57 | 57 | 57 | 57 | 31 | 31 | 31 | 31 | 31 | 31 | 34 | 34 | 34 | 34 | 34 | 34 |
| Relative Humidity (%) | 72 | 72 | 72 | 77 | 77 | 79 | 82 | 82 | 85 | 90 | 94 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 87 | 85 | 82 | 79 | 74 | 72 |
| Rain | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | SChc | SChc | SChc |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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