| Point Forecast: Washington DC, Reagan National Airport VA 38.84N 77.03W (Elev. 1 m) |
Last Update: 10:30 am EDT Jul 12, 2025 |
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| Date | 07/12 | 07/13 | ||||||||||||||||||||||
| Hour (EDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°C) | 28 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 27 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 27 |
| Dewpoint (°C) | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Heat Index (°C) | 31 | 31 | 29 | 29 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 30 | 31 | 32 | 33 | 33 | 33 | 32 | 31 | 30 |
| Surface Wind (mph) | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 7 |
| Wind Dir | SE | SE | SE | SE | SE | S | SE | SE | SE | SE | E | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 33 | 19 | 25 | 32 | 37 | 39 | 56 | 43 | 62 | 77 | 53 | 57 | 59 | 74 | 73 | 71 | 73 | 76 | 78 | 78 | 78 | 78 | 78 | 78 |
| Precipitation Potential (%) | 10 | 13 | 15 | 4 | 5 | 13 | 11 | 8 | 10 | 11 | 11 | 12 | 31 | 31 | 31 | 31 | 31 | 31 | 67 | 67 | 67 | 67 | 67 | 67 |
| Relative Humidity (%) | 70 | 74 | 79 | 79 | 82 | 85 | 87 | 87 | 90 | 90 | 87 | 87 | 87 | 85 | 82 | 79 | 77 | 74 | 72 | 72 | 72 | 74 | 77 | 77 |
| Rain | -- | -- | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly |
| Thunder | -- | -- | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/14 | |||||||||||||||||||||||
| Hour (EDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°C) | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 27 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 28 |
| Dewpoint (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Heat Index (°C) | 29 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 30 | 32 | 33 | 34 | 34 | 33 | 32 | 32 | 32 |
| Surface Wind (mph) | 7 | 7 | 6 | 6 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | S | S | SE | SE | S | S | S | S | S | S | S | S | S | SW | W | W | W | W | W | SW | S | SE | SE | SE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 71 | 72 | 73 | 74 | 73 | 73 | 72 | 74 | 76 | 78 | 77 | 77 | 76 | 75 | 74 | 73 | 75 | 76 | 78 | 78 | 78 | 78 | 78 | 78 |
| Precipitation Potential (%) | 57 | 57 | 57 | 57 | 57 | 57 | 35 | 35 | 35 | 35 | 35 | 35 | 44 | 44 | 44 | 44 | 44 | 44 | 67 | 67 | 67 | 67 | 67 | 67 |
| Relative Humidity (%) | 79 | 82 | 82 | 85 | 85 | 87 | 87 | 90 | 94 | 94 | 94 | 94 | 90 | 87 | 85 | 79 | 74 | 72 | 70 | 70 | 67 | 70 | 70 | 72 |
| Rain | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly |
| Thunder | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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