| Point Forecast: Green Haven MD 39.13N 76.52W (Elev. 26 m) |
Last Update: 7:52 am EDT Sep 10, 2026 |
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| Date | 09/10 | 09/11 | ||||||||||||||||||||||
| Hour (EDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°C) | 24 | 25 | 27 | 28 | 29 | 30 | 31 | 31 | 31 | 31 | 31 | 29 | 28 | 27 | 26 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 22 |
| Dewpoint (°C) | 19 | 21 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 19 | 19 |
| Heat Index (°C) | 24 | 25 | 28 | 31 | 32 | 34 | 34 | 34 | 35 | 35 | 34 | 32 | 31 | 29 | 26 | 25 | 24 | 24 | ||||||
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 5 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | NW | W | W | W | NW | N | N | N | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 72 | 78 | 74 | 67 | 69 | 64 | 47 | 48 | 43 | 46 | 41 | 56 | 68 | 63 | 66 | 73 | 87 | 80 | 83 | 84 | 87 | 91 | 85 | 88 |
| Precipitation Potential (%) | 14 | 12 | 10 | 2 | 1 | 1 | 2 | 2 | 5 | 10 | 9 | 14 | 19 | 21 | 42 | 52 | 49 | 70 | 63 | 63 | 52 | 58 | 32 | 37 |
| Relative Humidity (%) | 76 | 76 | 74 | 72 | 67 | 65 | 63 | 63 | 59 | 59 | 61 | 67 | 72 | 77 | 79 | 85 | 85 | 84 | 87 | 87 | 87 | 87 | 87 | 84 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Chc | Lkly | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- |
| Date | 09/12 | |||||||||||||||||||||||
| Hour (EDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°C) | 21 | 22 | 23 | 24 | 25 | 26 | 26 | 27 | 27 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 21 | 20 | 20 | 19 | 19 | 19 | 20 | 20 |
| Dewpoint (°C) | 19 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Heat Index (°C) | 24 | 25 | 26 | 26 | 28 | 28 | 28 | 26 | 25 | 24 | ||||||||||||||
| Surface Wind (mph) | 6 | 6 | 7 | 8 | 7 | 6 | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 3 |
| Wind Dir | N | N | N | N | N | NE | NE | NE | NE | E | E | E | NE | NE | NE | E | E | E | E | E | E | E | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 87 | 79 | 75 | 83 | 65 | 74 | 75 | 58 | 20 | 30 | 18 | 20 | 34 | 0 | 19 | 37 | 39 | 41 | 43 | 51 | 60 | 68 | 69 | 69 |
| Precipitation Potential (%) | 10 | 6 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 90 | 90 | 82 | 79 | 71 | 69 | 64 | 62 | 62 | 58 | 62 | 69 | 69 | 76 | 81 | 84 | 87 | 90 | 90 | 93 | 93 | 93 | 90 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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