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| Point Forecast: 4 Miles WNW Williamsburg PA 40.48N 78.29W (Elev. 988 ft) |
Last Update: 1:58 pm EST Jan 17, 2021 |
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| Date | 01/17 | 01/18 | ||||||||||||||||||||||
| Hour (EST) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 37 | 38 | 38 | 37 | 35 | 34 | 34 | 33 | 33 | 32 | 31 | 31 | 30 | 30 | 31 | 31 | 30 | 30 | 31 | 31 | 32 | 33 | 35 | 36 |
| Dewpoint (°F) | 29 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 |
| Wind Chill (°F) | 29 | 30 | 30 | 29 | 28 | 27 | 28 | 27 | 27 | 26 | 24 | 24 | 22 | 22 | 24 | 24 | 22 | 22 | 24 | 24 | 25 | 25 | 28 | 29 |
| Surface Wind (mph) | 11 | 14 | 13 | 11 | 9 | 8 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 10 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 23 | 23 | 22 | 20 | 22 | 22 | 23 | |||||||||||||||||
| Sky Cover (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 91 | 91 | 90 | 89 | 89 | 88 | 86 | 85 | 84 | 83 | 82 |
| Precipitation Potential (%) | 16 | 18 | 18 | 18 | 18 | 73 | 73 | 73 | 73 | 73 | 73 | 21 | 21 | 21 | 21 | 21 | 21 | 12 | 12 | 12 | 12 | 12 | 12 | 13 |
| Relative Humidity (%) | 72 | 67 | 64 | 67 | 72 | 75 | 75 | 78 | 78 | 81 | 85 | 85 | 88 | 88 | 85 | 85 | 85 | 85 | 81 | 78 | 75 | 72 | 66 | 64 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | SChc | SChc | SChc | SChc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 01/19 | |||||||||||||||||||||||
| Hour (EST) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 36 | 36 | 36 | 35 | 33 | 32 | 31 | 31 | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 28 | 30 | 31 | 33 | 34 | 36 |
| Dewpoint (°F) | 25 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 22 |
| Wind Chill (°F) | 29 | 29 | 29 | 28 | 25 | 25 | 24 | 24 | 22 | 22 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 20 | 22 | 23 | 25 | 26 | 29 |
| Surface Wind (mph) | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 24 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | ||||||||
| Sky Cover (%) | 82 | 81 | 81 | 80 | 80 | 80 | 80 | 80 | 80 | 81 | 81 | 81 | 80 | 80 | 79 | 78 | 78 | 77 | 78 | 78 | 79 | 79 | 80 | 80 |
| Precipitation Potential (%) | 13 | 13 | 13 | 13 | 13 | 9 | 9 | 9 | 9 | 9 | 9 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 18 |
| Relative Humidity (%) | 64 | 61 | 61 | 64 | 69 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 71 | 74 | 74 | 71 | 69 | 66 | 61 | 61 | 56 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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