| Point Forecast: Oswegatchie NY 44.18N 75.09W (Elev. 381 m) |
Last Update: 2:24 am EDT May 19, 2026 |
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| Date | 05/19 | 05/20 | ||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°C) | 19 | 19 | 19 | 21 | 23 | 24 | 26 | 27 | 27 | 28 | 28 | 29 | 27 | 26 | 25 | 23 | 21 | 20 | 19 | 18 | 17 | 16 | 16 | 16 |
| Dewpoint (°C) | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 16 | 16 |
| Heat Index (°C) | 24 | 26 | 27 | 28 | 28 | 29 | 29 | 28 | 26 | 25 | ||||||||||||||
| Surface Wind (mph) | 9 | 9 | 9 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 57 | 61 | 55 | 50 | 50 | 53 | 73 | 73 | 57 | 52 | 48 | 34 | 63 | 44 | 22 | 55 | 63 | 72 | 84 | 82 | 78 | 87 | 84 | 88 |
| Precipitation Potential (%) | 9 | 11 | 14 | 18 | 14 | 16 | 17 | 25 | 30 | 21 | 17 | 12 | 14 | 12 | 12 | 32 | 45 | 58 | 76 | 72 | 45 | 44 | 41 | 50 |
| Relative Humidity (%) | 78 | 78 | 78 | 73 | 66 | 60 | 56 | 54 | 53 | 51 | 49 | 48 | 54 | 58 | 60 | 66 | 73 | 78 | 84 | 93 | 93 | 97 | 100 | 100 |
| Rain | -- | -- | -- | SChc | -- | SChc | SChc | Chc | Chc | SChc | SChc | -- | -- | -- | -- | Chc | Chc | Lkly | Ocnl | Lkly | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | -- |
| Date | 05/21 | |||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°C) | 15 | 14 | 14 | 16 | 16 | 17 | 17 | 18 | 18 | 18 | 18 | 19 | 17 | 16 | 14 | 12 | 11 | 9 | 8 | 7 | 6 | 5 | 4 | 4 |
| Dewpoint (°C) | 15 | 14 | 14 | 14 | 13 | 12 | 12 | 11 | 10 | 9 | 8 | 8 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | -1 | -1 | -2 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | NW | NW | NW | NW | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 94 | 94 | 91 | 86 | 73 | 63 | 63 | 50 | 38 | 51 | 64 | 57 | 59 | 51 | 51 | 59 | 27 | 31 | 34 | 31 | 29 | 26 | 28 | 29 |
| Precipitation Potential (%) | 63 | 70 | 55 | 41 | 32 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 100 | 100 | 96 | 90 | 81 | 75 | 70 | 63 | 58 | 54 | 52 | 50 | 54 | 56 | 57 | 61 | 63 | 65 | 65 | 65 | 65 | 67 | 67 | 67 |
| Rain | Lkly | Lkly | Lkly | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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