| Point Forecast: Alexandria VA 38.83N 77.09W (Elev. 76 m) |
Last Update: 1:30 am EDT Jun 20, 2024 |
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| Date | 06/20 | 06/21 | ||||||||||||||||||||||
| 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 (°C) | 22 | 22 | 21 | 21 | 22 | 23 | 26 | 27 | 28 | 29 | 31 | 31 | 32 | 32 | 32 | 31 | 31 | 29 | 28 | 27 | 25 | 24 | 23 | 23 |
| Dewpoint (°C) | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 |
| Heat Index (°C) | 26 | 28 | 29 | 31 | 31 | 32 | 32 | 32 | 32 | 31 | 31 | 30 | 28 | 28 | 25 | 24 | ||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 7 | 7 | 6 | 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 (%) | 50 | 47 | 44 | 40 | 36 | 39 | 41 | 41 | 39 | 37 | 37 | 43 | 43 | 41 | 42 | 37 | 31 | 30 | 24 | 19 | 18 | 14 | 9 | 6 |
| 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 (%) | 79 | 81 | 81 | 84 | 81 | 79 | 69 | 65 | 57 | 51 | 46 | 45 | 42 | 42 | 41 | 42 | 43 | 48 | 55 | 60 | 67 | 69 | 74 | 76 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/22 | |||||||||||||||||||||||
| 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 (°C) | 22 | 22 | 22 | 22 | 22 | 24 | 27 | 28 | 30 | 32 | 33 | 33 | 34 | 34 | 34 | 34 | 33 | 32 | 31 | 29 | 27 | 26 | 26 | 26 |
| Dewpoint (°C) | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 |
| Heat Index (°C) | 24 | 28 | 29 | 31 | 33 | 34 | 34 | 35 | 35 | 35 | 35 | 34 | 33 | 32 | 30 | 28 | 26 | 26 | 26 | |||||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 6 | 6 |
| 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 (%) | 5 | 6 | 9 | 11 | 11 | 12 | 13 | 14 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 13 | 14 | 15 | 17 | 13 | 15 | 19 | 22 | 23 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 2 |
| Relative Humidity (%) | 79 | 79 | 81 | 81 | 81 | 74 | 62 | 57 | 51 | 45 | 42 | 40 | 38 | 38 | 38 | 38 | 41 | 44 | 50 | 55 | 63 | 67 | 67 | 69 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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