| Point Forecast: 2 Miles NNW Keymar MD 39.63N 77.27W (Elev. 410 ft) |
Last Update: 1:30 am EDT Jun 21, 2024 |
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| Date | 06/21 | 06/22 | ||||||||||||||||||||||
| Hour (EDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 71 | 70 | 69 | 68 | 67 | 68 | 75 | 79 | 83 | 86 | 89 | 90 | 91 | 93 | 94 | 93 | 93 | 92 | 89 | 85 | 82 | 79 | 79 | 77 |
| Dewpoint (°F) | 66 | 66 | 66 | 65 | 65 | 66 | 67 | 68 | 68 | 68 | 67 | 67 | 67 | 66 | 65 | 66 | 66 | 67 | 70 | 69 | 69 | 70 | 69 | 69 |
| Heat Index (°F) | 75 | 79 | 86 | 89 | 92 | 93 | 94 | 96 | 97 | 96 | 96 | 96 | 94 | 89 | 85 | 79 | 79 | 77 | ||||||
| Surface Wind (mph) | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 |
| Wind Dir | S | N | NE | NE | NE | N | S | SW | S | S | S | S | S | S | S | S | S | S | SE | SE | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 6 | 6 | 8 | 9 | 11 | 9 | 8 | 6 | 5 | 5 | 5 | 7 | 9 | 12 | 13 | 18 | 22 | 31 | 29 | 32 | 35 | 30 | 38 | 35 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Relative Humidity (%) | 84 | 87 | 90 | 90 | 93 | 93 | 76 | 69 | 61 | 55 | 48 | 47 | 45 | 41 | 39 | 41 | 41 | 44 | 54 | 59 | 65 | 74 | 72 | 76 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/23 | |||||||||||||||||||||||
| Hour (EDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 76 | 75 | 74 | 73 | 72 | 75 | 79 | 84 | 88 | 91 | 93 | 94 | 95 | 96 | 97 | 95 | 94 | 92 | 90 | 87 | 84 | 82 | 81 | 80 |
| Dewpoint (°F) | 68 | 68 | 68 | 67 | 67 | 68 | 70 | 70 | 70 | 71 | 70 | 70 | 70 | 70 | 69 | 69 | 69 | 70 | 71 | 72 | 72 | 72 | 72 | 71 |
| Heat Index (°F) | 76 | 75 | 75 | 79 | 88 | 93 | 98 | 99 | 100 | 102 | 103 | 103 | 101 | 99 | 98 | 96 | 94 | 90 | 87 | 85 | 83 | |||
| Surface Wind (mph) | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | 1 |
| Wind Dir | S | S | N | N | NW | NW | S | SW | SW | SW | W | SW | SW | SW | SW | SW | SW | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 28 | 22 | 18 | 17 | 19 | 18 | 17 | 14 | 12 | 13 | 19 | 28 | 37 | 43 | 45 | 45 | 44 | 43 | 42 | 42 | 42 | 42 | 40 | 41 |
| Precipitation Potential (%) | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 25 | 25 | 25 | 25 | 25 | 25 | 19 | 19 | 19 | 19 | 19 | 19 |
| Relative Humidity (%) | 76 | 79 | 82 | 81 | 84 | 79 | 74 | 63 | 55 | 52 | 47 | 46 | 45 | 43 | 40 | 43 | 44 | 49 | 54 | 61 | 67 | 72 | 74 | 74 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc |
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