| Point Forecast: Central Islip NY 40.79N 73.2W (Elev. 98 ft) |
Last Update: 6:52 am EDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (EDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°F) | 79 | 79 | 79 | 79 | 79 | 79 | 78 | 75 | 74 | 74 | 74 | 74 | 74 | 72 | 72 | 71 | 72 | 71 | 72 | 74 | 77 | 77 | 78 | 80 |
| Dewpoint (°F) | 72 | 72 | 72 | 71 | 71 | 72 | 72 | 73 | 73 | 73 | 72 | 71 | 70 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 70 | 70 | 70 |
| Heat Index (°F) | 79 | 79 | 79 | 79 | 79 | 79 | 78 | 75 | 77 | 77 | 78 | 83 | ||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 8 | 7 | 6 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 7 |
| Wind Dir | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 65 | 57 | 49 | 48 | 46 | 54 | 61 | 69 | 78 | 87 | 91 | 92 | 94 | 95 | 95 | 94 | 94 | 88 | 83 | 76 | 69 | 72 | 74 | 71 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 6 | 6 | 6 |
| Relative Humidity (%) | 79 | 79 | 79 | 77 | 77 | 79 | 82 | 94 | 97 | 97 | 93 | 90 | 87 | 90 | 90 | 93 | 90 | 93 | 90 | 84 | 76 | 79 | 76 | 72 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (EDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°F) | 82 | 82 | 83 | 83 | 82 | 81 | 79 | 78 | 76 | 76 | 75 | 75 | 76 | 75 | 74 | 73 | 73 | 74 | 75 | 77 | 76 | 78 | 79 | 81 |
| Dewpoint (°F) | 71 | 71 | 71 | 72 | 72 | 72 | 71 | 71 | 71 | 72 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 71 | 71 | 72 | 73 | 73 | 74 | 74 |
| Heat Index (°F) | 86 | 86 | 88 | 88 | 87 | 85 | 79 | 78 | 76 | 76 | 75 | 75 | 76 | 75 | 75 | 77 | 76 | 78 | 79 | 86 | ||||
| Surface Wind (mph) | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 5 | 6 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 68 | 65 | 65 | 65 | 65 | 70 | 74 | 79 | 79 | 80 | 80 | 80 | 80 | 80 | 80 | 79 | 79 | 76 | 72 | 69 | 70 | 70 | 71 | 69 |
| Precipitation Potential (%) | 6 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 36 | 36 | 36 | 36 | 36 | 36 | 30 | 30 | 30 | 30 | 30 |
| Relative Humidity (%) | 69 | 69 | 67 | 70 | 72 | 74 | 77 | 79 | 85 | 87 | 90 | 90 | 87 | 90 | 93 | 93 | 93 | 90 | 87 | 85 | 90 | 85 | 85 | 79 |
| Rain | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
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