| Point Forecast: Stony Brook NY 40.92N 73.12W (Elev. 112 ft) |
Last Update: 6:03 am EDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 77 | 78 | 80 | 82 | 83 | 84 | 85 | 85 | 84 | 83 | 82 | 79 | 78 | 76 | 75 | 75 | 75 | 75 | 74 | 73 | 73 | 73 | 74 | 77 |
| Dewpoint (°F) | 73 | 73 | 73 | 73 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 73 | 72 | 73 | 73 | 72 | 73 | 73 | 72 | 72 | 72 | 73 | 74 | 75 |
| Heat Index (°F) | 77 | 78 | 84 | 87 | 90 | 91 | 93 | 92 | 90 | 89 | 87 | 79 | 78 | 76 | 75 | 75 | 75 | 75 | 77 | |||||
| Surface Wind (mph) | 3 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 3 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 86 | 74 | 61 | 52 | 42 | 33 | 60 | 20 | 22 | 22 | 22 | 22 | 26 | 30 | 34 | 33 | 33 | 32 | 39 | 46 | 53 | 47 | 41 | 35 |
| Precipitation Potential (%) | 30 | 30 | 16 | 16 | 16 | 11 | 11 | 11 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 |
| Relative Humidity (%) | 87 | 85 | 79 | 74 | 74 | 72 | 70 | 67 | 70 | 72 | 74 | 82 | 82 | 90 | 94 | 90 | 94 | 94 | 93 | 97 | 97 | 100 | 100 | 94 |
| Rain | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 79 | 81 | 84 | 85 | 87 | 88 | 89 | 89 | 88 | 85 | 82 | 80 | 79 | 78 | 77 | 77 | 76 | 76 | 75 | 75 | 75 | 75 | 76 | 78 |
| Dewpoint (°F) | 75 | 76 | 76 | 76 | 75 | 75 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 73 | 73 | 73 | 74 | 75 |
| Heat Index (°F) | 79 | 87 | 93 | 94 | 96 | 98 | 98 | 98 | 97 | 93 | 88 | 85 | 79 | 78 | 77 | 77 | 76 | 76 | 75 | 75 | 75 | 75 | 76 | 78 |
| Surface Wind (mph) | 5 | 6 | 6 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 5 | 6 | 6 | 7 |
| Wind Dir | SW | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 33 | 30 | 28 | 37 | 41 | 41 | 40 | 40 | 45 | 57 | 71 | 82 | 85 | 83 | 81 | 82 | 84 | 87 | 88 | 87 | 83 | 77 | 70 | 65 |
| Precipitation Potential (%) | 7 | 7 | 12 | 12 | 12 | 13 | 13 | 13 | 21 | 21 | 21 | 40 | 40 | 40 | 40 | 40 | 40 | 50 | 50 | 50 | 50 | 50 | 50 | 32 |
| Relative Humidity (%) | 88 | 85 | 77 | 75 | 68 | 66 | 61 | 61 | 63 | 70 | 77 | 82 | 85 | 88 | 90 | 90 | 94 | 94 | 97 | 94 | 94 | 94 | 94 | 91 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
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