| Point Forecast: Rio VA 38.07N 78.47W (Elev. 499 ft) |
Last Update: 7:53 pm EDT May 12, 2026 |
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| Date | 05/12 | 05/13 | ||||||||||||||||||||||
| Hour (EDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 63 | 61 | 59 | 58 | 56 | 55 | 55 | 54 | 54 | 54 | 54 | 56 | 60 | 64 | 68 | 71 | 73 | 73 | 74 | 73 | 72 | 71 | 68 | 66 |
| Dewpoint (°F) | 46 | 45 | 44 | 43 | 43 | 43 | 43 | 42 | 42 | 42 | 43 | 45 | 46 | 47 | 48 | 50 | 51 | 52 | 53 | 54 | 55 | 55 | 56 | 56 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 7 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 11 | 11 | 10 | 9 | 7 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | S | SW |
| Gust | 20 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 20 | 18 | |||
| Sky Cover (%) | 21 | 22 | 18 | 9 | 9 | 4 | 4 | 5 | 3 | 12 | 16 | 7 | 2 | 10 | 17 | 38 | 76 | 69 | 68 | 82 | 68 | 67 | 64 | 60 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 5 | 6 | 14 | 19 | 26 | 46 | 51 | 49 | 43 | 40 |
| Relative Humidity (%) | 54 | 56 | 57 | 57 | 62 | 64 | 64 | 64 | 64 | 64 | 66 | 66 | 60 | 54 | 49 | 47 | 46 | 48 | 48 | 51 | 55 | 57 | 65 | 70 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | SChc |
| Date | 05/14 | |||||||||||||||||||||||
| Hour (EDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 63 | 61 | 59 | 58 | 56 | 55 | 53 | 52 | 50 | 50 | 50 | 52 | 55 | 58 | 61 | 63 | 64 | 64 | 65 | 66 | 65 | 64 | 62 | 60 |
| Dewpoint (°F) | 56 | 56 | 55 | 55 | 54 | 52 | 51 | 49 | 48 | 47 | 47 | 48 | 47 | 46 | 45 | 44 | 44 | 44 | 44 | 43 | 43 | 42 | 42 | 41 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 5 | 3 | 3 | 3 | 5 | 3 | 3 | 5 | 5 | 6 | 6 | 10 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 11 | 9 |
| Wind Dir | SW | SW | W | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | 20 | 21 | 20 | 20 | 20 | 20 | 21 | 22 | 23 | 23 | 22 | 21 | ||||||||||||
| Sky Cover (%) | 73 | 63 | 61 | 64 | 45 | 18 | 24 | 23 | 5 | 4 | 5 | 1 | 11 | 21 | 30 | 40 | 50 | 60 | 53 | 47 | 40 | 37 | 34 | 31 |
| Precipitation Potential (%) | 57 | 42 | 37 | 36 | 10 | 0 | 0 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 78 | 84 | 87 | 90 | 93 | 90 | 93 | 89 | 93 | 89 | 89 | 86 | 74 | 64 | 56 | 50 | 48 | 48 | 46 | 43 | 45 | 45 | 48 | 49 |
| Rain | Lkly | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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