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| Point Forecast: Riverhead NY 40.93N 72.68W (Elev. 30 ft) |
Last Update: 9:38 pm EST Jan 17, 2022 |
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| Date | 01/20 | 01/21 | ||||||||||||||||||||||
| Hour (EST) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 36 | 35 | 35 | 34 | 33 | 33 | 33 | 34 | 35 | 35 | 35 | 35 | 34 | 34 | 32 | 30 | 27 | 25 | 23 | 22 | 21 | 20 | 19 | 18 |
| Dewpoint (°F) | 33 | 32 | 32 | 31 | 30 | 29 | 30 | 31 | 30 | 28 | 27 | 25 | 24 | 23 | 22 | 20 | 18 | 16 | 14 | 13 | 12 | 11 | 11 | 10 |
| Wind Chill (°F) | 30 | 30 | 30 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 26 | 26 | 23 | 20 | 16 | 14 | 11 | 9 | 8 | 7 | 6 | 4 |
| Surface Wind (mph) | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 |
| Wind Dir | SW | W | W | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | N | N | N | N | N | N | N | N | N | N |
| Gust | 20 | 20 | 21 | 22 | 22 | 21 | 21 | |||||||||||||||||
| Sky Cover (%) | 95 | 95 | 96 | 96 | 97 | 97 | 94 | 90 | 87 | 84 | 80 | 77 | 74 | 70 | 67 | 64 | 60 | 57 | 56 | 55 | 54 | 53 | 52 | 51 |
| Precipitation Potential (%) | 62 | 62 | 62 | 62 | 62 | 49 | 49 | 49 | 49 | 49 | 49 | 20 | 20 | 20 | 20 | 20 | 20 | 13 | 13 | 13 | 13 | 13 | 13 | 11 |
| Relative Humidity (%) | 89 | 89 | 89 | 89 | 89 | 85 | 89 | 89 | 82 | 75 | 72 | 66 | 66 | 64 | 66 | 66 | 68 | 68 | 68 | 68 | 68 | 67 | 70 | 70 |
| Rain | Lkly | Lkly | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 01/22 | |||||||||||||||||||||||
| Hour (EST) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 17 | 17 | 16 | 15 | 14 | 14 | 15 | 17 | 19 | 21 | 22 | 23 | 24 | 24 | 23 | 22 | 20 | 19 | 18 | 18 | 18 | 18 | 18 | 18 |
| Dewpoint (°F) | 9 | 9 | 8 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 |
| Wind Chill (°F) | 3 | 3 | 2 | 1 | 0 | 0 | 1 | 4 | 6 | 9 | 10 | 11 | 12 | 13 | 12 | 11 | 9 | 7 | 6 | 5 | 5 | 5 | 4 | 4 |
| Surface Wind (mph) | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 13 | 14 | 14 |
| Wind Dir | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | NE | NE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 50 | 50 | 49 | 48 | 48 | 47 | 48 | 50 | 51 | 52 | 54 | 55 | 56 | 57 | 58 | 58 | 59 | 60 | 61 | 62 | 63 | 63 | 64 | 65 |
| Precipitation Potential (%) | 11 | 11 | 11 | 11 | 11 | 7 | 7 | 7 | 7 | 7 | 7 | 11 | 11 | 11 | 11 | 11 | 11 | 23 | 23 | 23 | 23 | 23 | 23 | 31 |
| Relative Humidity (%) | 70 | 70 | 70 | 70 | 73 | 73 | 73 | 67 | 64 | 59 | 54 | 52 | 50 | 50 | 52 | 54 | 62 | 64 | 67 | 70 | 70 | 70 | 73 | 73 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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