| Point Forecast: 2 Miles ESE Cockeysville MD 39.47N 76.61W (Elev. 149 m) |
Last Update: 1:41 am EDT Aug 19, 2026 |
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| Date | 08/19 | 08/20 | ||||||||||||||||||||||
| 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 (°C) | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 21 | 22 | 25 | 27 | 28 | 28 | 29 | 29 | 29 | 30 | 29 | 28 | 28 | 26 | 24 | 24 | 23 |
| Dewpoint (°C) | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 18 | 18 | 19 | 18 | 18 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 |
| Heat Index (°C) | 25 | 28 | 29 | 29 | 29 | 30 | 30 | 31 | 30 | 29 | 29 | 26 | 24 | 24 | ||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 3 | 2 | 1 | 1 | 1 | 1 | 1 |
| Wind Dir | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | W | W | W | W | W | W | W | W | W | SW | SW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 28 | 17 | 6 | 7 | 8 | 5 | 15 | 6 | 3 | 3 | 3 | 2 | 6 | 10 | 3 | 7 | 21 | 28 | 30 | 23 | 26 | 25 | 27 | 28 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 87 | 87 | 90 | 90 | 90 | 90 | 90 | 84 | 79 | 69 | 60 | 53 | 51 | 49 | 50 | 50 | 48 | 53 | 56 | 58 | 67 | 74 | 76 | 76 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/21 | |||||||||||||||||||||||
| 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 (°C) | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 22 | 22 | 23 | 24 | 26 | 24 | 24 | 26 | 25 | 23 | 24 | 23 | 23 | 22 | 21 | 21 | 20 |
| Dewpoint (°C) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 19 | 19 | 18 |
| Heat Index (°C) | 24 | 26 | 24 | 24 | 26 | 25 | 24 | |||||||||||||||||
| Surface Wind (mph) | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | NW | NW | NW | NW | N | N | N | N | E | NE | E | E | NE | N | NE | NE | N | N | N | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 17 | 30 | 42 | 60 | 55 | 48 | 73 | 68 | 53 | 55 | 57 | 68 | 75 | 91 | 84 | 75 | 84 | 84 | 72 | 77 | 33 | 38 | 43 | 43 |
| Precipitation Potential (%) | 2 | 3 | 5 | 8 | 10 | 10 | 14 | 32 | 30 | 33 | 35 | 49 | 50 | 80 | 58 | 44 | 40 | 31 | 48 | 18 | 18 | 18 | 18 | 18 |
| Relative Humidity (%) | 79 | 79 | 79 | 81 | 87 | 87 | 87 | 87 | 90 | 87 | 79 | 76 | 82 | 82 | 74 | 76 | 84 | 82 | 87 | 87 | 87 | 90 | 90 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Ocnl | Lkly | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- |
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