| Point Forecast: Green Haven MD 39.13N 76.52W (Elev. 85 ft) |
Last Update: 12:57 am EDT Aug 16, 2026 |
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| Date | 08/16 | 08/17 | ||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 77 | 75 | 75 | 75 | 74 | 74 | 74 | 77 | 78 | 80 | 81 | 81 | 81 | 81 | 81 | 82 | 79 | 78 | 77 | 75 | 74 | 74 | 74 | 74 |
| Dewpoint (°F) | 69 | 68 | 68 | 69 | 69 | 70 | 70 | 72 | 72 | 72 | 72 | 72 | 72 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 73 | 73 | 73 |
| Heat Index (°F) | 77 | 75 | 75 | 75 | 77 | 78 | 84 | 85 | 85 | 85 | 86 | 86 | 87 | 79 | 78 | 77 | 75 | |||||||
| Surface Wind (mph) | 5 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 8 | 9 | 10 | 11 | 13 | 13 | 14 | 14 | 13 | 13 | 11 | 10 | 9 | 8 | 8 | 8 |
| 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 | 18 | 20 | 24 | 22 | 22 | 21 | 21 | 20 | 18 | 18 | ||||||||||||||
| Sky Cover (%) | 69 | 44 | 61 | 82 | 75 | 67 | 76 | 80 | 74 | 77 | 82 | 83 | 86 | 92 | 93 | 86 | 89 | 86 | 84 | 88 | 87 | 75 | 86 | 92 |
| Precipitation Potential (%) | 1 | 2 | 5 | 11 | 18 | 24 | 27 | 44 | 57 | 65 | 72 | 74 | 66 | 87 | 89 | 78 | 71 | 59 | 63 | 81 | 80 | 57 | 79 | 87 |
| Relative Humidity (%) | 76 | 79 | 79 | 82 | 84 | 87 | 87 | 85 | 82 | 77 | 74 | 74 | 74 | 77 | 77 | 74 | 82 | 85 | 87 | 90 | 93 | 97 | 97 | 97 |
| Rain | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Ocnl | Ocnl | Lkly | Ocnl | Ocnl |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Date | 08/18 | |||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 74 | 74 | 74 | 74 | 73 | 74 | 74 | 75 | 80 | 82 | 85 | 87 | 89 | 89 | 90 | 91 | 89 | 88 | 87 | 83 | 81 | 79 | 78 | 77 |
| Dewpoint (°F) | 73 | 74 | 74 | 74 | 73 | 73 | 73 | 74 | 75 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 73 | 73 | 72 | 71 | 70 |
| Heat Index (°F) | 75 | 85 | 89 | 94 | 98 | 100 | 100 | 102 | 103 | 99 | 98 | 96 | 89 | 86 | 79 | 78 | 77 | |||||||
| Surface Wind (mph) | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 9 | 8 | 9 | 8 | 8 | 8 | 7 | 6 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | SW | SW | SW | SW | SW | SW | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 89 | 85 | 83 | 96 | 83 | 66 | 54 | 57 | 46 | 32 | 29 | 24 | 21 | 34 | 42 | 32 | 43 | 35 | 32 | 34 | 16 | 19 | 22 | 22 |
| Precipitation Potential (%) | 83 | 32 | 17 | 8 | 5 | 2 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 13 | 14 | 7 | 5 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 97 | 100 | 100 | 100 | 100 | 97 | 97 | 97 | 85 | 82 | 75 | 70 | 66 | 66 | 64 | 62 | 64 | 66 | 68 | 72 | 77 | 79 | 79 | 79 |
| Rain | Ocnl | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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