| Point Forecast: Sayville NY 40.73N 73.07W (Elev. 16 ft) |
Last Update: 3:16 pm EDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| 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 (°F) | 78 | 78 | 76 | 75 | 74 | 74 | 74 | 74 | 74 | 73 | 74 | 73 | 73 | 74 | 75 | 77 | 79 | 80 | 81 | 81 | 81 | 83 | 81 | 81 |
| Dewpoint (°F) | 75 | 75 | 74 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 73 | 74 | 75 | 76 | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 76 |
| Heat Index (°F) | 78 | 78 | 76 | 75 | 75 | 77 | 79 | 86 | 88 | 88 | 88 | 92 | 88 | 87 | ||||||||||
| Surface Wind (mph) | 6 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 6 | 6 | 7 | 8 | 9 | 9 | 9 |
| Wind Dir | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 24 | 40 | 43 | 44 | 39 | 51 | 50 | 46 | 59 | 60 | 62 | 58 | 53 | 43 | 56 | 55 | 44 | 45 | 44 | 36 | 46 | 51 | 47 | 49 |
| Precipitation Potential (%) | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 6 | 6 | 6 | 5 | 5 | 5 | 9 |
| Relative Humidity (%) | 91 | 91 | 94 | 94 | 97 | 97 | 97 | 97 | 97 | 100 | 97 | 97 | 100 | 100 | 100 | 97 | 91 | 88 | 88 | 88 | 88 | 82 | 88 | 85 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| 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 (°F) | 80 | 79 | 77 | 77 | 76 | 76 | 76 | 75 | 75 | 74 | 74 | 74 | 75 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 83 | 83 |
| Dewpoint (°F) | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 73 | 73 | 73 | 74 | 75 | 76 | 77 | 78 | 78 | 78 | 78 | 78 | 78 | 77 | 77 |
| Heat Index (°F) | 86 | 79 | 77 | 77 | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 76 | 77 | 78 | 79 | 87 | 89 | 91 | 93 | 92 | 92 | |||
| Surface Wind (mph) | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 11 | 13 | 13 | 13 | 11 | 11 |
| Wind Dir | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 55 | 71 | 79 | 79 | 86 | 92 | 92 | 92 | 92 | 91 | 89 | 88 | 85 | 81 | 78 | 72 | 66 | 60 | 61 | 61 | 62 | 62 | 62 | 62 |
| Precipitation Potential (%) | 9 | 9 | 35 | 35 | 35 | 35 | 35 | 35 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 64 | 64 | 64 | 64 |
| Relative Humidity (%) | 88 | 91 | 94 | 94 | 97 | 97 | 97 | 97 | 97 | 96 | 96 | 97 | 97 | 100 | 100 | 100 | 100 | 97 | 94 | 91 | 88 | 85 | 82 | 82 |
| Rain | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly |
| Thunder | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc |
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