| Point Forecast: Fairfax VA 38.85N 77.29W (Elev. 122 m) |
Last Update: 7:29 pm EDT Jun 19, 2024 |
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| Date | 06/19 | 06/20 | ||||||||||||||||||||||
| 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 | 27 | 25 | 24 | 23 | 22 | 22 | 21 | 21 | 20 | 19 | 21 | 23 | 24 | 27 | 28 | 29 | 31 | 31 | 32 | 32 | 31 | 31 | 31 |
| Dewpoint (°C) | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 |
| Heat Index (°C) | 29 | 28 | 25 | 24 | 24 | 28 | 29 | 31 | 32 | 32 | 32 | 33 | 32 | 32 | 31 | |||||||||
| Surface Wind (mph) | 7 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | S | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 26 | 25 | 41 | 47 | 45 | 48 | 47 | 39 | 25 | 26 | 35 | 29 | 27 | 25 | 26 | 24 | 35 | 43 | 55 | 45 | 40 | 47 | 44 | 46 |
| 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 (%) | 49 | 54 | 64 | 69 | 76 | 79 | 81 | 87 | 84 | 87 | 90 | 87 | 79 | 74 | 62 | 57 | 51 | 45 | 45 | 42 | 41 | 43 | 43 | 45 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/21 | |||||||||||||||||||||||
| 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) | 29 | 28 | 26 | 24 | 23 | 23 | 22 | 21 | 21 | 21 | 21 | 22 | 23 | 26 | 28 | 30 | 32 | 33 | 34 | 34 | 35 | 35 | 34 | 33 |
| Dewpoint (°C) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 19 |
| Heat Index (°C) | 29 | 28 | 26 | 24 | 26 | 29 | 32 | 33 | 34 | 35 | 36 | 37 | 37 | 36 | 35 | |||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 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 (%) | 38 | 39 | 34 | 29 | 26 | 22 | 19 | 20 | 20 | 21 | 18 | 14 | 11 | 12 | 13 | 14 | 15 | 17 | 18 | 19 | 21 | 22 | 21 | 19 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 51 | 55 | 62 | 69 | 74 | 73 | 76 | 81 | 84 | 84 | 81 | 81 | 74 | 67 | 61 | 53 | 48 | 44 | 40 | 39 | 37 | 37 | 39 | 43 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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