| Point Forecast: Washington DC 38.89N 77.02W (Elev. 20 ft) |
Last Update: 7:30 pm EDT Jul 14, 2025 |
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| Date | 07/15 | |||||||||||||||||||||||
| Hour (EDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 76 | 75 | 75 | 75 | 74 | 74 | 73 | 74 | 76 | 78 | 80 | 82 | 84 | 86 | 86 | 87 | 86 | 85 | 84 | 83 | 82 | 81 | 80 | 79 |
| Dewpoint (°F) | 74 | 74 | 74 | 74 | 73 | 73 | 73 | 74 | 74 | 74 | 74 | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 |
| Heat Index (°F) | 76 | 75 | 75 | 75 | 76 | 78 | 84 | 88 | 91 | 95 | 95 | 96 | 95 | 94 | 92 | 90 | 89 | 87 | 85 | 79 | ||||
| Surface Wind (mph) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 2 |
| Wind Dir | SE | S | W | NW | NW | N | E | NE | N | NW | NE | NE | NE | SE | S | SE | SE | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 69 | 61 | 74 | 66 | 64 | 59 | 57 | 64 | 55 | 60 | 49 | 50 | 56 | 51 | 65 | 71 | 66 | 71 | 69 | 71 | 59 | 48 | 49 | 49 |
| Precipitation Potential (%) | 33 | 23 | 26 | 20 | 14 | 12 | 11 | 12 | 14 | 11 | 12 | 12 | 16 | 27 | 48 | 56 | 49 | 57 | 53 | 57 | 22 | 22 | 22 | 22 |
| Relative Humidity (%) | 94 | 97 | 97 | 97 | 97 | 97 | 100 | 100 | 94 | 88 | 82 | 77 | 72 | 70 | 70 | 68 | 70 | 72 | 74 | 77 | 79 | 82 | 85 | 88 |
| Rain | Chc | SChc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Lkly | Chc | Lkly | Chc | Lkly | SChc | SChc | SChc | SChc |
| Thunder | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (EDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 78 | 78 | 77 | 76 | 75 | 75 | 75 | 76 | 78 | 80 | 83 | 85 | 87 | 88 | 89 | 89 | 89 | 88 | 87 | 85 | 83 | 82 | 81 | 80 |
| Dewpoint (°F) | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 |
| Heat Index (°F) | 78 | 78 | 77 | 76 | 75 | 75 | 75 | 76 | 78 | 85 | 91 | 94 | 98 | 98 | 99 | 99 | 99 | 98 | 96 | 94 | 90 | 89 | 87 | 85 |
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 |
| 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 | ||||||||||||||||||||||||
| Sky Cover (%) | 49 | 48 | 48 | 53 | 59 | 64 | 66 | 67 | 69 | 61 | 53 | 45 | 56 | 67 | 78 | 78 | 78 | 78 | 78 | 78 | 73 | 73 | 73 | 73 |
| Precipitation Potential (%) | 22 | 22 | 18 | 18 | 18 | 18 | 18 | 18 | 22 | 22 | 22 | 22 | 22 | 22 | 67 | 67 | 67 | 67 | 67 | 67 | 22 | 22 | 22 | 22 |
| Relative Humidity (%) | 91 | 91 | 94 | 97 | 100 | 100 | 100 | 97 | 91 | 85 | 80 | 75 | 70 | 66 | 64 | 64 | 64 | 66 | 68 | 72 | 77 | 79 | 82 | 85 |
| Rain | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc |
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