| Point Forecast: Grottoes VA 38.26N 78.81W (Elev. 1198 ft) |
Last Update: 1:31 pm EDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 82 | 81 | 77 | 75 | 75 | 74 | 73 | 72 | 72 | 72 | 71 | 71 | 71 | 74 | 76 | 79 | 82 | 84 | 86 | 87 | 86 | 85 | 83 | 82 |
| Dewpoint (°F) | 74 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 71 | 70 | 71 | 71 | 73 | 74 | 75 | 76 | 76 | 76 | 76 | 76 | 75 | 75 | 75 |
| Heat Index (°F) | 88 | 86 | 77 | 75 | 75 | 76 | 79 | 89 | 93 | 96 | 98 | 96 | 94 | 90 | 89 | |||||||||
| Surface Wind (mph) | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 |
| Wind Dir | SW | SE | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | S | SW | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 80 | 54 | 60 | 64 | 62 | 74 | 64 | 62 | 55 | 57 | 47 | 52 | 57 | 70 | 39 | 40 | 44 | 46 | 56 | 76 | 77 | 75 | 73 | 72 |
| Precipitation Potential (%) | 38 | 31 | 26 | 26 | 28 | 19 | 22 | 9 | 8 | 7 | 5 | 6 | 8 | 8 | 8 | 10 | 11 | 21 | 34 | 63 | 65 | 62 | 59 | 58 |
| Relative Humidity (%) | 77 | 77 | 87 | 94 | 94 | 97 | 97 | 100 | 100 | 97 | 97 | 100 | 100 | 97 | 94 | 88 | 82 | 77 | 72 | 70 | 72 | 72 | 77 | 79 |
| Rain | Chc | Chc | Chc | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly |
| Thunder | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 81 | 79 | 77 | 76 | 76 | 75 | 75 | 74 | 73 | 73 | 73 | 73 | 74 | 75 | 78 | 82 | 85 | 87 | 89 | 90 | 90 | 89 | 88 | 87 |
| Dewpoint (°F) | 74 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 71 | 71 | 72 | 72 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 72 |
| Heat Index (°F) | 86 | 79 | 77 | 76 | 76 | 75 | 75 | 75 | 78 | 87 | 92 | 94 | 97 | 98 | 97 | 96 | 95 | 94 | ||||||
| Surface Wind (mph) | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 7 |
| Wind Dir | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 88 | 75 | 50 | 58 | 65 | 64 | 64 | 63 | 59 | 56 | 52 | 51 | 50 | 49 | 47 | 45 | 43 | 49 | 54 | 60 | 60 | 60 | 60 | 60 |
| Precipitation Potential (%) | 81 | 23 | 23 | 23 | 23 | 23 | 23 | 5 | 5 | 5 | 5 | 5 | 5 | 9 | 9 | 9 | 9 | 9 | 9 | 40 | 40 | 40 | 40 | 40 |
| Relative Humidity (%) | 79 | 82 | 87 | 90 | 90 | 94 | 94 | 97 | 97 | 93 | 93 | 97 | 93 | 94 | 85 | 74 | 67 | 63 | 59 | 58 | 56 | 57 | 59 | 61 |
| Rain | Ocnl | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc |
| Thunder | Lkly | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc |
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