| Point Forecast: Ashburn VA 39.05N 77.49W (Elev. 299 ft) |
Last Update: 1:30 pm EDT Jun 15, 2024 |
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| Date | 06/15 | 06/16 | ||||||||||||||||||||||
| 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) | 81 | 82 | 83 | 83 | 82 | 81 | 79 | 74 | 71 | 68 | 66 | 65 | 63 | 61 | 61 | 60 | 58 | 60 | 64 | 69 | 74 | 78 | 81 | 82 |
| Dewpoint (°F) | 53 | 53 | 52 | 52 | 52 | 53 | 56 | 55 | 56 | 55 | 55 | 55 | 54 | 55 | 54 | 54 | 54 | 54 | 56 | 57 | 56 | 56 | 56 | 57 |
| Heat Index (°F) | 80 | 81 | 82 | 82 | 81 | 80 | 79 | 78 | 81 | 82 | ||||||||||||||
| Surface Wind (mph) | 10 | 10 | 10 | 9 | 8 | 8 | 3 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 |
| Wind Dir | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | NE | NE | NE | E | SE | SE | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 15 | 11 | 15 | 9 | 4 | 6 | 3 | 7 | 12 | 16 | 15 | 15 | 14 | 11 | 9 | 6 | 14 | 21 | 29 | 32 | 34 | 37 | 37 | 37 |
| 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 (%) | 38 | 37 | 34 | 34 | 35 | 38 | 45 | 51 | 59 | 63 | 68 | 70 | 72 | 81 | 78 | 81 | 86 | 81 | 75 | 66 | 53 | 47 | 42 | 43 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/17 | |||||||||||||||||||||||
| 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 | 86 | 87 | 85 | 85 | 82 | 78 | 75 | 73 | 71 | 70 | 69 | 68 | 67 | 67 | 68 | 70 | 72 | 76 | 80 | 84 | 87 | 89 |
| Dewpoint (°F) | 57 | 57 | 58 | 58 | 58 | 59 | 59 | 59 | 60 | 60 | 60 | 59 | 59 | 59 | 59 | 60 | 61 | 62 | 63 | 64 | 64 | 65 | 66 | 66 |
| Heat Index (°F) | 84 | 84 | 85 | 86 | 84 | 85 | 82 | 78 | 75 | 76 | 82 | 86 | 89 | 92 | ||||||||||
| Surface Wind (mph) | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Wind Dir | S | S | S | S | S | S | S | S | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 37 | 33 | 30 | 26 | 23 | 19 | 16 | 18 | 19 | 21 | 21 | 22 | 22 | 20 | 19 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 19 | 19 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 39 | 39 | 39 | 38 | 40 | 41 | 46 | 52 | 60 | 64 | 68 | 68 | 70 | 73 | 75 | 78 | 78 | 76 | 73 | 66 | 58 | 53 | 50 | 47 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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