| Point Forecast: 2 Miles S Thurmont MD 39.6N 77.42W (Elev. 466 ft) |
Last Update: 1:29 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 (°F) | 92 | 92 | 92 | 90 | 88 | 85 | 83 | 80 | 79 | 77 | 76 | 75 | 74 | 73 | 74 | 76 | 79 | 83 | 87 | 93 | 94 | 95 | 96 | 97 |
| Dewpoint (°F) | 67 | 67 | 68 | 68 | 69 | 69 | 68 | 68 | 68 | 67 | 67 | 66 | 66 | 66 | 67 | 68 | 69 | 70 | 71 | 71 | 71 | 70 | 70 | 70 |
| Heat Index (°F) | 96 | 96 | 96 | 94 | 92 | 89 | 86 | 83 | 79 | 77 | 76 | 75 | 76 | 79 | 87 | 93 | 100 | 101 | 102 | 103 | 104 | |||
| Surface Wind (mph) | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 |
| Wind Dir | S | S | S | S | S | S | SW | S | S | S | SW | SW | SW | SW | W | W | SW | SW | SW | SW | W | W | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 13 | 18 | 24 | 31 | 14 | 14 | 22 | 26 | 24 | 27 | 20 | 15 | 6 | 3 | 7 | 1 | 5 | 4 | 5 | 6 | 7 | 7 | 17 | 19 |
| Precipitation Potential (%) | 10 | 10 | 10 | 10 | 8 | 8 | 8 | 8 | 8 | 8 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 25 | 25 |
| Relative Humidity (%) | 44 | 44 | 46 | 49 | 54 | 59 | 61 | 67 | 69 | 71 | 74 | 74 | 76 | 79 | 79 | 76 | 74 | 67 | 61 | 51 | 49 | 46 | 45 | 43 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc |
| 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 (°F) | 97 | 97 | 96 | 94 | 92 | 87 | 85 | 83 | 82 | 81 | 80 | 79 | 78 | 77 | 77 | 79 | 81 | 84 | 88 | 91 | 92 | 93 | 94 | 95 |
| Dewpoint (°F) | 70 | 70 | 70 | 71 | 71 | 71 | 70 | 70 | 70 | 70 | 69 | 68 | 68 | 68 | 69 | 70 | 71 | 72 | 72 | 72 | 71 | 71 | 70 | 69 |
| Heat Index (°F) | 104 | 104 | 103 | 101 | 99 | 93 | 90 | 88 | 86 | 85 | 83 | 79 | 78 | 77 | 77 | 79 | 85 | 90 | 95 | 99 | 99 | 100 | 100 | 101 |
| Surface Wind (mph) | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 5 | 6 | 7 | 7 | 7 | 7 |
| Wind Dir | SW | SW | SW | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W |
| Gust | 18 | 18 | 18 | |||||||||||||||||||||
| Sky Cover (%) | 30 | 40 | 38 | 41 | 40 | 42 | 46 | 50 | 46 | 37 | 33 | 32 | 30 | 29 | 29 | 28 | 27 | 33 | 44 | 49 | 53 | 60 | 64 | 67 |
| Precipitation Potential (%) | 25 | 25 | 25 | 25 | 19 | 19 | 19 | 19 | 19 | 19 | 1 | 1 | 1 | 1 | 1 | 1 | 6 | 6 | 6 | 6 | 6 | 6 | 34 | 34 |
| Relative Humidity (%) | 43 | 43 | 45 | 49 | 52 | 59 | 63 | 67 | 67 | 69 | 69 | 69 | 71 | 74 | 76 | 74 | 72 | 67 | 59 | 54 | 51 | 49 | 46 | 43 |
| Rain | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc |
| Thunder | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc |
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