| Point Forecast: Washington DC 38.89N 77.02W (Elev. 6 m) |
Last Update: 4:53 am EDT Jul 14, 2026 |
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| Date | 07/14 | 07/15 | ||||||||||||||||||||||
| Hour (EDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°C) | 20 | 21 | 23 | 25 | 27 | 29 | 31 | 32 | 32 | 33 | 33 | 33 | 33 | 32 | 31 | 29 | 28 | 27 | 26 | 26 | 25 | 24 | 24 | 24 |
| Dewpoint (°C) | 18 | 18 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 |
| Heat Index (°C) | 25 | 29 | 31 | 32 | 33 | 34 | 34 | 34 | 34 | 34 | 34 | 32 | 30 | 29 | 28 | 26 | 26 | 25 | 24 | 24 | 24 | |||
| Surface Wind (mph) | 0 | 1 | 1 | 2 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 7 | 3 | 2 | 9 | 6 | 12 | 15 | 8 | 6 | 8 | 6 | 4 | 3 | 3 | 0 | 2 | 0 | 3 | 7 | 8 | 9 | 8 | 8 | 11 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 90 | 87 | 82 | 74 | 65 | 57 | 52 | 47 | 45 | 44 | 41 | 41 | 42 | 45 | 48 | 55 | 58 | 60 | 64 | 64 | 67 | 69 | 71 | 69 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (EDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°C) | 24 | 24 | 27 | 29 | 31 | 33 | 34 | 36 | 37 | 38 | 38 | 38 | 38 | 37 | 35 | 33 | 32 | 31 | 31 | 29 | 29 | 28 | 27 | 27 |
| Dewpoint (°C) | 18 | 18 | 19 | 20 | 20 | 21 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 20 | 20 | 21 | 21 | 21 | 21 | 21 |
| Heat Index (°C) | 24 | 24 | 28 | 31 | 33 | 36 | 37 | 39 | 40 | 41 | 41 | 41 | 40 | 39 | 37 | 36 | 34 | 33 | 33 | 32 | 31 | 29 | 28 | 28 |
| Surface Wind (mph) | 3 | 3 | 3 | 5 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 |
| Wind Dir | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | NW | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 21 | 7 | 15 | 8 | 8 | 12 | 6 | 17 | 31 | 18 | 12 | 35 | 36 | 28 | 32 | 57 | 39 | 20 | 22 | 25 | 27 | 26 | 24 | 23 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 71 | 69 | 65 | 59 | 52 | 49 | 44 | 39 | 38 | 34 | 32 | 32 | 33 | 35 | 40 | 46 | 52 | 52 | 53 | 59 | 61 | 65 | 69 | 69 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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