| Point Forecast: East Islip NY 40.73N 73.19W (Elev. 5 m) |
Last Update: 2:24 am EDT Jul 17, 2025 |
 |
|
[show menu] |
| Date | 07/17 | 07/18 | ||||||||||||||||||||||
| Hour (EDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°C) | 26 | 26 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 28 | 29 | 30 | 30 | 30 | 31 | 30 | 30 | 29 | 28 | 28 | 27 | 27 | 26 | 26 |
| Dewpoint (°C) | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 21 | 21 |
| Heat Index (°C) | 26 | 26 | 25 | 26 | 26 | 26 | 29 | 31 | 31 | 33 | 34 | 36 | 36 | 36 | 36 | 34 | 34 | 33 | 31 | 31 | 30 | 29 | 26 | 26 |
| Surface Wind (mph) | 6 | 6 | 6 | 7 | 8 | 9 | 10 | 13 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 11 | 11 | 11 | 10 | 10 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 83 | 84 | 84 | 82 | 80 | 78 | 64 | 60 | 56 | 47 | 38 | 30 | 29 | 28 | 27 | 25 | 24 | 23 | 18 | 14 | 10 | 15 | 20 | 25 |
| Precipitation Potential (%) | 16 | 16 | 30 | 30 | 30 | 32 | 32 | 32 | 13 | 13 | 13 | 10 | 10 | 10 | 7 | 7 | 7 | 6 | 6 | 6 | 1 | 1 | 1 | 0 |
| Relative Humidity (%) | 94 | 94 | 97 | 91 | 88 | 85 | 82 | 82 | 85 | 80 | 80 | 75 | 72 | 72 | 68 | 68 | 68 | 67 | 74 | 74 | 77 | 77 | 74 | 72 |
| Rain | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/19 | |||||||||||||||||||||||
| Hour (EDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°C) | 24 | 24 | 24 | 23 | 24 | 24 | 25 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 24 | 24 | 23 | 22 | 22 | 21 |
| Dewpoint (°C) | 20 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 16 |
| Heat Index (°C) | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 26 | 24 | 24 | |||||
| Surface Wind (mph) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | NW | 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 (%) | 29 | 32 | 36 | 30 | 24 | 18 | 28 | 37 | 46 | 41 | 36 | 32 | 29 | 26 | 23 | 25 | 27 | 29 | 27 | 26 | 24 | 27 | 30 | 33 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 76 | 71 | 71 | 74 | 69 | 69 | 62 | 58 | 54 | 52 | 51 | 49 | 47 | 47 | 47 | 49 | 51 | 56 | 60 | 62 | 68 | 68 | 71 | 73 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| ||||||||||||