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| Point Forecast: Central Islip NY 40.79N 73.2W (Elev. 30 m) |
Last Update: 9:59 am EDT Jul 11, 2020 |
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| Date | 07/11 | 07/12 | ||||||||||||||||||||||
| Hour (EDT) | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |
| Temperature (°C) | 25 | 27 | 29 | 29 | 30 | 29 | 29 | 28 | 27 | 26 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 26 |
| Dewpoint (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 21 | 20 | 20 |
| Heat Index (°C) | 25 | 31 | 34 | 34 | 36 | 34 | 34 | 33 | 31 | 26 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 26 | |||||
| Surface Wind (mph) | 11 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 13 | 11 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 9 | 9 |
| 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 (%) | 75 | 69 | 62 | 63 | 64 | 64 | 65 | 65 | 70 | 75 | 80 | 72 | 65 | 57 | 49 | 42 | 34 | 31 | 27 | 24 | 20 | 17 | 13 | 12 |
| Precipitation Potential (%) | 6 | 8 | 16 | 16 | 15 | 14 | 14 | 14 | 24 | 24 | 15 | 15 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 |
| Relative Humidity (%) | 94 | 85 | 77 | 75 | 72 | 75 | 77 | 80 | 82 | 91 | 94 | 94 | 94 | 90 | 87 | 90 | 90 | 90 | 93 | 90 | 87 | 84 | 76 | 71 |
| Rain | -- | -- | SChc | SChc | SChc | -- | -- | -- | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | SChc | SChc | SChc | -- | -- | -- | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/13 | |||||||||||||||||||||||
| Hour (EDT) | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |
| Temperature (°C) | 27 | 29 | 30 | 31 | 32 | 32 | 31 | 31 | 29 | 28 | 27 | 26 | 26 | 26 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 26 |
| Dewpoint (°C) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Heat Index (°C) | 28 | 31 | 32 | 32 | 33 | 33 | 33 | 32 | 31 | 29 | 28 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | ||||
| Surface Wind (mph) | 9 | 10 | 11 | 13 | 14 | 14 | 14 | 14 | 13 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 8 | 7 | 7 | 7 | 6 | 7 | 7 | 8 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | S | S | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 10 | 9 | 8 | 8 | 7 | 11 | 16 | 20 | 20 | 19 | 19 | 22 | 26 | 29 | 32 | 36 | 39 | 44 | 48 | 53 | 57 | 62 | 66 | 66 |
| Precipitation Potential (%) | 4 | 4 | 4 | 4 | 7 | 7 | 7 | 7 | 4 | 4 | 4 | 4 | 13 | 13 | 13 | 13 | 18 | 18 | 18 | 18 | 23 | 23 | 23 | 23 |
| Relative Humidity (%) | 63 | 57 | 53 | 48 | 47 | 47 | 50 | 52 | 55 | 63 | 67 | 72 | 74 | 76 | 79 | 85 | 87 | 90 | 93 | 93 | 90 | 90 | 85 | 79 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc |
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