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| Point Forecast: Johnstown PA 40.32N 78.93W (Elev. 1670 ft) |
Last Update: 7:25 am EDT May 16, 2022 |
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| Date | 05/16 | 05/17 | ||||||||||||||||||||||
| Hour (EDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°F) | 58 | 60 | 62 | 63 | 65 | 65 | 65 | 65 | 64 | 64 | 63 | 62 | 61 | 60 | 58 | 57 | 56 | 55 | 54 | 53 | 52 | 52 | 51 | 52 |
| Dewpoint (°F) | 56 | 57 | 57 | 58 | 58 | 57 | 57 | 56 | 54 | 52 | 51 | 50 | 49 | 48 | 48 | 48 | 48 | 47 | 47 | 46 | 46 | 45 | 45 | 45 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 3 | 5 | 5 | 6 | 8 | 9 | 9 | 10 | 10 | 11 | 13 | 11 | 10 | 8 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | S | S | S | SW | W | SW | W | W | W | W | W | W | NW | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 21 | 22 | 22 | 23 | 23 | 22 | ||||||||||||||||||
| Sky Cover (%) | 81 | 70 | 72 | 72 | 95 | 91 | 95 | 71 | 87 | 78 | 80 | 63 | 50 | 47 | 44 | 41 | 34 | 26 | 17 | 9 | 10 | 10 | 11 | 14 |
| Precipitation Potential (%) | 39 | 40 | 60 | 66 | 91 | 91 | 78 | 64 | 69 | 78 | 50 | 49 | 49 | 12 | 10 | 7 | 7 | 7 | 7 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 93 | 90 | 84 | 84 | 78 | 75 | 75 | 73 | 70 | 65 | 65 | 65 | 65 | 64 | 69 | 72 | 74 | 74 | 77 | 77 | 80 | 77 | 80 | 77 |
| Rain | Chc | Chc | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Ocnl | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/18 | |||||||||||||||||||||||
| Hour (EDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°F) | 53 | 54 | 56 | 59 | 62 | 63 | 64 | 65 | 65 | 65 | 65 | 63 | 62 | 60 | 57 | 55 | 52 | 50 | 49 | 47 | 47 | 46 | 45 | 47 |
| Dewpoint (°F) | 45 | 45 | 45 | 45 | 45 | 44 | 43 | 42 | 41 | 41 | 40 | 40 | 39 | 39 | 38 | 38 | 37 | 37 | 37 | 37 | 37 | 38 | 38 | 39 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 6 | 8 | 11 | 14 | 15 | 15 | 15 | 15 | 15 | 14 | 13 | 10 | 8 | 6 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| Wind Dir | W | W | W | W | W | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | W | W | W |
| Gust | 24 | 28 | 29 | 28 | 26 | 25 | 25 | 24 | 23 | 22 | 21 | |||||||||||||
| Sky Cover (%) | 16 | 19 | 20 | 20 | 21 | 19 | 17 | 15 | 12 | 9 | 6 | 5 | 5 | 4 | 5 | 5 | 6 | 7 | 9 | 10 | 16 | 21 | 27 | 31 |
| Precipitation Potential (%) | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 4 | 4 |
| Relative Humidity (%) | 74 | 71 | 66 | 60 | 54 | 50 | 46 | 43 | 41 | 41 | 40 | 43 | 43 | 46 | 49 | 53 | 56 | 61 | 63 | 68 | 68 | 73 | 76 | 74 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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