| Point Forecast: Rio VA 38.07N 78.47W (Elev. 499 ft) |
Last Update: 7:53 pm EDT Aug 9, 2026 |
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| Date | 08/09 | 08/10 | ||||||||||||||||||||||
| 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 (°F) | 84 | 81 | 79 | 77 | 76 | 75 | 74 | 74 | 73 | 72 | 72 | 71 | 74 | 77 | 84 | 88 | 91 | 93 | 93 | 94 | 95 | 93 | 93 | 90 |
| Dewpoint (°F) | 72 | 72 | 71 | 71 | 71 | 70 | 70 | 69 | 69 | 69 | 68 | 68 | 69 | 70 | 71 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 |
| Heat Index (°F) | 90 | 85 | 79 | 77 | 76 | 75 | 77 | 89 | 95 | 98 | 100 | 100 | 101 | 103 | 100 | 100 | 96 | |||||||
| Surface Wind (mph) | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 7 |
| Wind Dir | S | S | SW | W | SW | SW | W | W | W | W | SW | SW | W | W | W | SW | W | SW | SW | SW | SW | W | W | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 40 | 47 | 45 | 40 | 32 | 28 | 26 | 23 | 19 | 40 | 45 | 31 | 27 | 22 | 11 | 17 | 22 | 27 | 33 | 40 | 32 | 33 | 23 | 25 |
| Precipitation Potential (%) | 15 | 15 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 3 | 6 | 9 | 18 | 14 | 10 |
| Relative Humidity (%) | 67 | 74 | 77 | 82 | 85 | 84 | 87 | 84 | 87 | 90 | 87 | 90 | 84 | 79 | 65 | 59 | 52 | 49 | 49 | 47 | 46 | 49 | 49 | 54 |
| Rain | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | -- | -- |
| Date | 08/11 | |||||||||||||||||||||||
| 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 (°F) | 86 | 82 | 80 | 79 | 78 | 77 | 76 | 76 | 75 | 75 | 74 | 73 | 75 | 79 | 83 | 88 | 91 | 92 | 92 | 92 | 91 | 89 | 87 | 84 |
| Dewpoint (°F) | 71 | 71 | 71 | 70 | 70 | 70 | 70 | 70 | 69 | 69 | 69 | 69 | 70 | 71 | 72 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 |
| Heat Index (°F) | 91 | 86 | 83 | 79 | 78 | 77 | 76 | 76 | 75 | 75 | 75 | 79 | 88 | 96 | 100 | 101 | 101 | 101 | 100 | 97 | 94 | 90 | ||
| Surface Wind (mph) | 6 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 5 | 5 | 6 | 7 | 7 | 7 | 7 | 6 |
| Wind Dir | SW | NW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 32 | 34 | 35 | 36 | 42 | 45 | 53 | 56 | 54 | 55 | 51 | 47 | 30 | 77 | 65 | 53 | 60 | 66 | 76 | 76 | 76 | 76 | 76 | 76 |
| Precipitation Potential (%) | 7 | 5 | 4 | 5 | 7 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | 14 | 14 | 14 | 14 | 14 | 14 | 63 | 63 | 63 | 63 | 63 | 63 |
| Relative Humidity (%) | 61 | 69 | 74 | 74 | 76 | 79 | 82 | 82 | 82 | 82 | 84 | 87 | 84 | 77 | 70 | 61 | 56 | 54 | 54 | 54 | 56 | 59 | 63 | 70 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc |
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