| Point Forecast: Stony Brook NY 40.92N 73.12W (Elev. 34 m) |
Last Update: 2:29 pm EDT Jul 14, 2025 |
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| Date | 07/14 | 07/15 | ||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°C) | 28 | 27 | 27 | 26 | 25 | 24 | 24 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 26 | 27 | 28 | 28 | 28 | 29 |
| Dewpoint (°C) | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 23 | 23 | 22 | 22 | 23 | 23 | 23 | 23 | 22 | 23 | 23 | 23 | 23 |
| Heat Index (°C) | 31 | 29 | 29 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 29 | 31 | 31 | 32 | 32 | |||||||
| Surface Wind (mph) | 8 | 8 | 8 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 |
| Wind Dir | S | S | S | S | S | S | S | S | S | SW | S | S | SW | SW | SW | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 33 | 69 | 69 | 76 | 82 | 81 | 85 | 84 | 86 | 88 | 92 | 77 | 82 | 83 | 80 | 73 | 65 | 64 | 64 | 47 | 37 | 41 | 42 | 29 |
| Precipitation Potential (%) | 12 | 53 | 53 | 53 | 61 | 61 | 61 | 53 | 53 | 53 | 61 | 61 | 61 | 60 | 60 | 60 | 46 | 46 | 46 | 18 | 18 | 18 | 16 | 16 |
| Relative Humidity (%) | 72 | 74 | 78 | 85 | 88 | 90 | 94 | 97 | 94 | 97 | 93 | 97 | 100 | 97 | 97 | 95 | 96 | 88 | 83 | 77 | 75 | 73 | 72 | 70 |
| Rain | -- | Chc | Chc | Chc | Lkly | Lkly | Lkly | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°C) | 29 | 28 | 28 | 27 | 26 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 26 | 27 | 28 | 29 | 31 | 31 | 31 |
| Dewpoint (°C) | 23 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 23 | 24 | 24 | 23 |
| Heat Index (°C) | 32 | 31 | 31 | 29 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 29 | 32 | 34 | 36 | 37 | 36 | |||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 6 | 7 | 7 | 7 |
| Wind Dir | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 28 | 14 | 15 | 19 | 32 | 24 | 31 | 29 | 31 | 34 | 36 | 43 | 49 | 56 | 55 | 54 | 58 | 56 | 54 | 52 | 52 | 51 | 50 | 50 |
| Precipitation Potential (%) | 16 | 8 | 8 | 8 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 15 | 15 | 15 | 15 | 15 | 15 | 25 | 25 |
| Relative Humidity (%) | 70 | 70 | 74 | 79 | 86 | 89 | 94 | 94 | 95 | 96 | 97 | 100 | 97 | 97 | 98 | 97 | 94 | 91 | 85 | 77 | 70 | 68 | 66 | 63 |
| Rain | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc |
| Thunder | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc |
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