| Point Forecast: Southampton NY 40.89N 72.39W (Elev. 14 m) |
Last Update: 8:54 pm EDT May 13, 2026 |
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| Date | 05/13 | 05/14 | ||||||||||||||||||||||
| Hour (EDT) | 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 (°C) | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 13 | 14 | 16 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 14 | 13 | 13 | 13 |
| Dewpoint (°C) | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 11 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 7 | 6 | 5 | 3 | 2 | 2 | 1 | 1 |
| Wind Dir | S | S | S | S | S | S | SE | SE | SE | SE | SE | SE | SE | E | E | E | E | S | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 79 | 80 | 82 | 83 | 84 | 83 | 82 | 81 | 83 | 85 | 87 | 87 | 86 | 86 | 84 | 81 | 79 | 71 | 71 | 55 | 55 | 55 | 55 | 58 |
| Precipitation Potential (%) | 1 | 10 | 10 | 27 | 27 | 27 | 27 | 41 | 41 | 41 | 78 | 78 | 78 | 59 | 59 | 59 | 57 | 57 | 57 | 28 | 28 | 28 | 30 | 30 |
| Relative Humidity (%) | 77 | 77 | 80 | 83 | 83 | 83 | 89 | 89 | 93 | 100 | 93 | 93 | 84 | 84 | 84 | 84 | 84 | 81 | 87 | 84 | 87 | 90 | 90 | 90 |
| Rain | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- |
| Date | 05/15 | |||||||||||||||||||||||
| Hour (EDT) | 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 (°C) | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 11 | 12 | 14 | 16 | 17 | 17 | 18 | 18 | 18 | 17 | 17 | 16 | 14 | 13 | 13 |
| Dewpoint (°C) | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 6 | 5 | 3 | 2 | 1 | 1 | 1 |
| Wind Dir | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | N | N | N | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 61 | 63 | 65 | 66 | 68 | 69 | 70 | 72 | 70 | 69 | 68 | 70 | 72 | 74 | 69 | 64 | 59 | 57 | 55 | 53 | 51 | 49 | 48 | 44 |
| Precipitation Potential (%) | 30 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 19 | 19 | 19 | 19 | 19 | 19 | 1 | 1 |
| Relative Humidity (%) | 90 | 90 | 93 | 89 | 89 | 93 | 89 | 89 | 96 | 93 | 90 | 83 | 75 | 72 | 70 | 67 | 67 | 67 | 67 | 70 | 75 | 77 | 83 | 86 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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