| Point Forecast: East Nassau NY 42.53N 73.51W (Elev. 243 m) |
Last Update: 2:37 pm EDT May 12, 2026 |
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| Date | 05/12 | 05/13 | ||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°C) | 14 | 13 | 11 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 7 | 7 | 7 | 8 | 9 | 10 | 11 | 12 | 14 | 14 | 15 | 16 | 16 |
| Dewpoint (°C) | -2 | -1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 2 | 3 | 5 | 6 | 7 | 8 | 9 | 9 | 9 | 9 | 10 | 10 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 3 | 2 | 2 | 1 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 7 | 8 | 8 | 9 | 9 | 10 | 11 | 13 | 13 | 10 | 10 |
| Wind Dir | W | NW | NW | N | NE | E | E | E | SE | SE | SE | SE | SE | SE | SE | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 6 | 12 | 23 | 41 | 56 | 64 | 66 | 68 | 77 | 85 | 91 | 91 | 91 | 92 | 89 | 92 | 90 | 90 | 84 | 89 | 92 | 91 | 93 | 91 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 3 | 5 | 8 | 12 | 30 | 33 | 30 | 77 | 87 | 70 | 49 | 25 | 27 | 34 | 50 | 54 | 44 |
| Relative Humidity (%) | 34 | 37 | 46 | 58 | 60 | 63 | 63 | 65 | 62 | 65 | 70 | 68 | 73 | 76 | 79 | 80 | 83 | 83 | 83 | 75 | 72 | 69 | 69 | 69 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Ocnl | Ocnl | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/14 | |||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°C) | 16 | 15 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 9 | 10 | 11 | 12 | 13 | 13 | 14 | 15 | 15 | 16 | 15 |
| Dewpoint (°C) | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 |
| Wind Dir | S | S | S | S | S | S | S | S | S | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | E | E | E | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 93 | 93 | 92 | 69 | 60 | 61 | 59 | 61 | 73 | 74 | 82 | 96 | 92 | 94 | 95 | 95 | 95 | 95 | 95 | 95 | 91 | 91 | 91 | 91 |
| Precipitation Potential (%) | 35 | 31 | 34 | 38 | 31 | 23 | 39 | 33 | 37 | 31 | 54 | 94 | 88 | 90 | 92 | 92 | 92 | 92 | 92 | 92 | 86 | 86 | 86 | 86 |
| Relative Humidity (%) | 67 | 69 | 72 | 74 | 77 | 77 | 80 | 83 | 86 | 86 | 89 | 93 | 93 | 96 | 96 | 93 | 90 | 86 | 83 | 80 | 78 | 78 | 72 | 75 |
| Rain | Chc | Chc | Chc | Chc | Chc | SChc | Chc | Chc | Chc | Chc | Chc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc |
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