| Point Forecast: Greenwich CT 41.07N 73.65W (Elev. 85 m) |
Last Update: 3:05 pm EDT Aug 11, 2026 |
 |
|
[show menu] |
| Date | 08/11 | 08/12 | ||||||||||||||||||||||
| Hour (EDT) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°C) | 28 | 28 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 22 | 21 | 21 | 20 | 19 | 19 | 19 | 19 | 21 | 22 | 24 | 27 | 28 | 29 | 29 |
| Dewpoint (°C) | 18 | 18 | 18 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 |
| Heat Index (°C) | 29 | 29 | 29 | 28 | 26 | 25 | 24 | 24 | 27 | 28 | 29 | 29 | ||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 7 | 7 | 6 | 5 | 3 | 3 | 3 | 5 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 8 | 8 | 7 |
| Wind Dir | NW | W | W | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | N | N | N | N | NW | NW | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 77 | 77 | 77 | 75 | 74 | 73 | 73 | 73 | 73 | 74 | 75 | 75 | 76 | 76 | 76 | 72 | 68 | 64 | 58 | 52 | 46 | 40 | 35 | 29 |
| Precipitation Potential (%) | 14 | 14 | 26 | 26 | 26 | 28 | 28 | 28 | 21 | 21 | 21 | 29 | 29 | 29 | 16 | 16 | 16 | 17 | 17 | 17 | 13 | 13 | 13 | 6 |
| Relative Humidity (%) | 56 | 55 | 56 | 60 | 67 | 74 | 79 | 84 | 87 | 90 | 93 | 97 | 93 | 90 | 84 | 84 | 84 | 81 | 73 | 64 | 54 | 49 | 46 | 43 |
| Rain | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- |
| Thunder | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- |
| Date | 08/13 | |||||||||||||||||||||||
| Hour (EDT) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°C) | 29 | 29 | 28 | 27 | 26 | 24 | 24 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 19 | 19 | 20 | 22 | 23 | 25 | 27 | 28 | 29 | 29 |
| Dewpoint (°C) | 16 | 16 | 16 | 16 | 17 | 18 | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 19 | 19 | 19 | 19 | 19 | 20 | 20 |
| Heat Index (°C) | 29 | 29 | 28 | 28 | 26 | 24 | 24 | 25 | 28 | 30 | 31 | 31 | ||||||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 6 | 5 | 3 | 2 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 7 | 7 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 28 | 27 | 26 | 22 | 19 | 22 | 27 | 31 | 36 | 40 | 44 | 48 | 48 | 47 | 47 | 43 | 43 | 34 | 33 | 32 | 31 | 34 | 37 | 40 |
| Precipitation Potential (%) | 6 | 6 | 2 | 2 | 2 | 5 | 5 | 5 | 0 | 0 | 0 | 23 | 23 | 23 | 22 | 22 | 22 | 4 | 4 | 4 | 4 | 4 | 4 | 11 |
| Relative Humidity (%) | 43 | 43 | 46 | 51 | 56 | 66 | 66 | 71 | 73 | 79 | 81 | 81 | 81 | 84 | 87 | 87 | 87 | 84 | 81 | 71 | 63 | 59 | 59 | 59 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- |
| ||||||||||||