| Point Forecast: Stony Brook NY 40.92N 73.12W (Elev. 112 ft) |
Last Update: 10:29 am EDT May 16, 2025 |
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| Date | 05/16 | 05/17 | ||||||||||||||||||||||
| 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) | 73 | 73 | 74 | 72 | 71 | 69 | 68 | 66 | 64 | 63 | 63 | 62 | 62 | 61 | 61 | 61 | 61 | 60 | 61 | 64 | 65 | 67 | 69 | 70 |
| Dewpoint (°F) | 63 | 63 | 63 | 62 | 62 | 61 | 61 | 61 | 60 | 60 | 60 | 60 | 60 | 60 | 59 | 59 | 59 | 59 | 60 | 61 | 61 | 62 | 63 | 63 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 7 | 7 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 6 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SE | S | SE | SE | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 71 | 71 | 71 | 72 | 72 | 74 | 76 | 78 | 79 | 81 | 82 | 83 | 83 | 83 | 84 | 84 | 84 | 86 | 88 | 89 | 87 | 85 | 84 | 77 |
| Precipitation Potential (%) | 10 | 17 | 17 | 17 | 19 | 19 | 19 | 20 | 20 | 20 | 22 | 22 | 22 | 12 | 12 | 12 | 22 | 22 | 22 | 42 | 42 | 42 | 42 | 42 |
| Relative Humidity (%) | 71 | 71 | 69 | 71 | 73 | 76 | 78 | 84 | 87 | 90 | 90 | 93 | 93 | 97 | 93 | 93 | 93 | 96 | 97 | 90 | 87 | 84 | 81 | 78 |
| Rain | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
| Date | 05/18 | |||||||||||||||||||||||
| 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) | 72 | 73 | 74 | 74 | 74 | 73 | 70 | 69 | 67 | 66 | 66 | 65 | 64 | 63 | 62 | 61 | 60 | 60 | 61 | 63 | 65 | 66 | 68 | 70 |
| Dewpoint (°F) | 63 | 63 | 63 | 63 | 62 | 61 | 61 | 60 | 59 | 59 | 58 | 57 | 56 | 55 | 54 | 53 | 52 | 51 | 51 | 52 | 52 | 52 | 52 | 52 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 8 | 9 | 9 | 9 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 13 | 13 | 14 |
| Wind Dir | SW | SW | SW | S | S | S | S | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 23 | 24 | ||||||||||||||||||||||
| Sky Cover (%) | 71 | 65 | 62 | 60 | 57 | 53 | 50 | 47 | 44 | 42 | 40 | 38 | 37 | 36 | 28 | 20 | 12 | 14 | 15 | 16 | 17 | 17 | 18 | 22 |
| Precipitation Potential (%) | 42 | 60 | 60 | 60 | 60 | 60 | 60 | 13 | 13 | 13 | 13 | 13 | 13 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 73 | 71 | 69 | 69 | 66 | 66 | 73 | 73 | 75 | 78 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 72 | 70 | 67 | 63 | 61 | 57 | 53 |
| Rain | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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