| Point Forecast: Nassau DE 38.75N 75.18W (Elev. 20 ft) |
Last Update: 4:08 am EDT Jul 18, 2026 |
 |
|
[show menu] |
| Date | 07/18 | 07/19 | ||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 73 | 74 | 75 | 77 | 80 | 83 | 87 | 89 | 91 | 92 | 92 | 91 | 90 | 87 | 84 | 81 | 80 | 79 | 79 | 78 | 77 | 77 | 76 | 76 |
| Dewpoint (°F) | 70 | 71 | 73 | 75 | 76 | 76 | 76 | 76 | 75 | 74 | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 73 | 73 | 74 | 74 |
| Heat Index (°F) | 75 | 77 | 86 | 91 | 98 | 100 | 102 | 102 | 102 | 101 | 101 | 96 | 92 | 87 | 85 | 79 | 79 | 78 | 77 | 77 | 76 | 76 | ||
| Surface Wind (mph) | 7 | 7 | 8 | 8 | 8 | 9 | 10 | 11 | 14 | 15 | 16 | 16 | 15 | 11 | 13 | 14 | 11 | 13 | 15 | 13 | 11 | 10 | 9 | 9 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | S | S | S | S | S | S | S | S | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 71 | 76 | 75 | 73 | 77 | 75 | 77 | 72 | 69 | 70 | 69 | 77 | 85 | 92 | 91 | 91 | 91 | 89 | 87 | 83 | 76 | 75 | 69 | 66 |
| Precipitation Potential (%) | 6 | 7 | 10 | 15 | 16 | 20 | 23 | 27 | 28 | 29 | 35 | 50 | 63 | 75 | 72 | 71 | 68 | 66 | 64 | 57 | 46 | 33 | 26 | 24 |
| Relative Humidity (%) | 90 | 90 | 94 | 94 | 88 | 80 | 70 | 66 | 60 | 56 | 56 | 58 | 62 | 68 | 74 | 82 | 85 | 88 | 85 | 88 | 87 | 87 | 94 | 94 |
| Rain | -- | -- | -- | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Lkly | Ocnl | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | SChc |
| Thunder | -- | -- | -- | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc |
| Date | 07/20 | |||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 77 | 77 | 77 | 78 | 79 | 80 | 81 | 83 | 83 | 84 | 85 | 85 | 85 | 83 | 82 | 80 | 78 | 76 | 75 | 74 | 73 | 73 | 72 | 72 |
| Dewpoint (°F) | 74 | 74 | 73 | 72 | 71 | 69 | 69 | 69 | 69 | 69 | 69 | 68 | 67 | 67 | 67 | 68 | 67 | 67 | 67 | 68 | 68 | 68 | 68 | 68 |
| Heat Index (°F) | 77 | 77 | 77 | 78 | 79 | 83 | 84 | 87 | 87 | 88 | 89 | 88 | 88 | 86 | 85 | 83 | 78 | 76 | 75 | |||||
| Surface Wind (mph) | 9 | 10 | 11 | 13 | 13 | 14 | 13 | 13 | 11 | 11 | 10 | 10 | 9 | 8 | 7 | 6 | 5 | 3 | 3 | 3 | 5 | 6 | 6 | 7 |
| Wind Dir | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | N | NE | NE | NE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 72 | 73 | 69 | 62 | 54 | 39 | 31 | 33 | 33 | 34 | 33 | 34 | 26 | 30 | 30 | 31 | 16 | 18 | 20 | 20 | 19 | 19 | 20 | 21 |
| Precipitation Potential (%) | 20 | 18 | 16 | 16 | 13 | 11 | 8 | 7 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 90 | 90 | 87 | 82 | 77 | 69 | 67 | 63 | 63 | 61 | 59 | 57 | 55 | 59 | 61 | 67 | 69 | 74 | 76 | 82 | 84 | 84 | 87 | 87 |
| Rain | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
