| Point Forecast: 2 Miles SSE Preston MD 38.68N 75.89W (Elev. 6 m) |
Last Update: 4:02 pm EDT Jun 21, 2024 |
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| Date | 06/21 | 06/22 | ||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°C) | 33 | 33 | 32 | 31 | 29 | 27 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 22 | 23 | 24 | 26 | 28 | 30 | 32 | 33 | 34 | 35 | 35 |
| Dewpoint (°C) | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 |
| Heat Index (°C) | 34 | 34 | 33 | 32 | 30 | 28 | 26 | 25 | 26 | 27 | 31 | 33 | 34 | 35 | 36 | 38 | 38 | |||||||
| Surface Wind (mph) | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 11 |
| Wind Dir | SW | SW | SW | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 15 | 15 | 13 | 10 | 8 | 7 | 5 | 4 | 5 | 6 | 7 | 9 | 10 | 12 | 10 | 7 | 5 | 5 | 4 | 4 | 8 | 11 | 15 | 15 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 6 | 6 |
| Relative Humidity (%) | 40 | 42 | 45 | 50 | 55 | 60 | 71 | 74 | 82 | 82 | 87 | 87 | 90 | 93 | 90 | 82 | 74 | 65 | 59 | 52 | 47 | 44 | 42 | 42 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/23 | |||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°C) | 36 | 34 | 33 | 32 | 31 | 29 | 28 | 27 | 26 | 26 | 26 | 26 | 25 | 24 | 25 | 27 | 27 | 29 | 31 | 32 | 34 | 34 | 36 | 36 |
| Dewpoint (°C) | 20 | 20 | 21 | 21 | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 |
| Heat Index (°C) | 39 | 37 | 36 | 36 | 34 | 32 | 30 | 29 | 27 | 27 | 27 | 27 | 26 | 25 | 26 | 28 | 28 | 32 | 34 | 36 | 38 | 38 | 39 | 39 |
| Surface Wind (mph) | 11 | 13 | 13 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 13 | 15 | 16 | 16 | 16 | 16 | 16 |
| Wind Dir | SW | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 15 | 15 | 14 | 13 | 15 | 14 | 14 | 14 | 15 | 17 | 18 | 18 | 19 | 20 | 20 | 20 | 20 | 21 | 22 | 23 | 27 | 31 | 35 | 41 |
| Precipitation Potential (%) | 6 | 6 | 6 | 6 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 17 | 17 |
| Relative Humidity (%) | 39 | 43 | 47 | 52 | 59 | 63 | 67 | 69 | 74 | 77 | 79 | 79 | 79 | 82 | 79 | 74 | 74 | 65 | 59 | 54 | 49 | 46 | 43 | 43 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc |
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