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| Point Forecast: 4 Miles SSE Mc Henry MD 39.51N 79.31W (Elev. 2480 ft) |
Last Update: 9:31 pm EST Jan 16, 2022 |
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| Date | 01/16 | 01/17 | ||||||||||||||||||||||
| Hour (EST) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°F) | 26 | 27 | 27 | 27 | 27 | 26 | 25 | 24 | 24 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 18 | 20 | 20 | 20 |
| Dewpoint (°F) | 22 | 23 | 23 | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 20 | 19 | 19 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 16 |
| Wind Chill (°F) | 12 | 14 | 15 | 17 | 17 | 15 | 13 | 10 | 9 | 6 | 6 | 4 | 4 | 3 | 3 | 2 | 1 | 1 | 0 | 0 | 0 | 3 | 3 | 3 |
| Surface Wind (mph) | 20 | 17 | 15 | 11 | 10 | 13 | 15 | 18 | 21 | 24 | 24 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 |
| Wind Dir | E | E | E | E | N | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 33 | 30 | 24 | 20 | 20 | 33 | 37 | 39 | 48 | 51 | 51 | 53 | 53 | 54 | 54 | 55 | 55 | 54 | 53 | 51 | 44 | 44 | 43 | |
| Sky Cover (%) | 100 | 98 | 95 | 93 | 93 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 93 | 89 | 87 | 87 | 88 | 88 | 79 | 83 |
| Precipitation Potential (%) | 85 | 82 | 80 | 77 | 76 | 74 | 73 | 75 | 76 | 82 | 82 | 82 | 82 | 75 | 69 | 62 | 63 | 65 | 66 | 63 | 60 | 57 | 53 | 50 |
| Relative Humidity (%) | 85 | 85 | 85 | 88 | 85 | 88 | 88 | 92 | 88 | 96 | 96 | 100 | 100 | 100 | 96 | 96 | 96 | 92 | 92 | 92 | 92 | 84 | 84 | 84 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc |
| Freezing Rain | SChc | SChc | -- | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | SChc | Ocnl | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 01/18 | |||||||||||||||||||||||
| Hour (EST) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°F) | 20 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 19 | 21 | 22 | 24 | 25 | 26 | 26 | 25 | 23 | 21 | 19 | 19 |
| Dewpoint (°F) | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 18 |
| Wind Chill (°F) | 3 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 2 | 2 | 4 | 5 | 8 | 10 | 13 | 15 | 17 | 18 | 17 | 16 | 15 | 12 | 12 |
| Surface Wind (mph) | 24 | 23 | 24 | 23 | 23 | 23 | 22 | 22 | 21 | 16 | 16 | 15 | 15 | 14 | 13 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 5 | 5 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | SW | SW | SW | SW |
| Gust | 43 | 41 | 41 | 41 | 41 | 40 | 39 | 37 | 34 | 32 | 31 | 31 | 30 | 29 | 26 | 25 | 23 | 22 | 20 | |||||
| Sky Cover (%) | 86 | 84 | 80 | 76 | 74 | 73 | 73 | 71 | 69 | 67 | 66 | 65 | 64 | 63 | 62 | 59 | 54 | 49 | 46 | 49 | 53 | 58 | 60 | 61 |
| Precipitation Potential (%) | 46 | 46 | 45 | 45 | 42 | 39 | 36 | 27 | 10 | 15 | 15 | 15 | 15 | 15 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 88 | 88 | 88 | 84 | 88 | 88 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 84 | 84 | 77 | 74 | 74 | 74 | 78 | 84 | 92 | 100 | 96 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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