| Point Forecast: 2 Miles ENE Old Greenwich CT 41.06N 73.53W (Elev. 49 ft) |
Last Update: 2:07 pm EDT Jul 16, 2025 |
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| Date | 07/16 | 07/17 | ||||||||||||||||||||||
| Hour (EDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 84 | 80 | 78 | 76 | 75 | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 75 | 77 | 79 | 80 | 82 | 86 | 88 | 90 | 91 | 92 | 92 | 91 |
| Dewpoint (°F) | 72 | 72 | 72 | 73 | 74 | 74 | 74 | 75 | 74 | 74 | 73 | 73 | 74 | 74 | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 74 |
| Heat Index (°F) | 90 | 84 | 78 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 77 | 79 | 85 | 89 | 95 | 98 | 101 | 102 | 102 | 102 | 101 | ||
| Surface Wind (mph) | 7 | 7 | 6 | 5 | 5 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 7 | 8 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 10 |
| Wind Dir | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 62 | 75 | 67 | 73 | 76 | 71 | 79 | 83 | 81 | 75 | 76 | 78 | 65 | 72 | 72 | 72 | 67 | 65 | 65 | 65 | 65 | 65 | 65 | 65 |
| Precipitation Potential (%) | 19 | 12 | 12 | 12 | 36 | 36 | 36 | 46 | 46 | 46 | 34 | 34 | 34 | 57 | 57 | 57 | 43 | 43 | 43 | 30 | 30 | 30 | 36 | 36 |
| Relative Humidity (%) | 67 | 77 | 82 | 90 | 97 | 100 | 100 | 100 | 97 | 97 | 94 | 94 | 97 | 90 | 85 | 82 | 79 | 70 | 66 | 62 | 60 | 56 | 56 | 58 |
| Rain | SChc | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | SChc | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Date | 07/18 | |||||||||||||||||||||||
| Hour (EDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 87 | 85 | 83 | 81 | 79 | 77 | 76 | 75 | 73 | 72 | 71 | 72 | 74 | 75 | 78 | 80 | 81 | 83 | 84 | 85 | 86 | 86 | 85 | 82 |
| Dewpoint (°F) | 74 | 74 | 74 | 73 | 73 | 73 | 72 | 71 | 70 | 68 | 67 | 68 | 69 | 70 | 70 | 69 | 69 | 69 | 68 | 68 | 68 | 68 | 66 | 65 |
| Heat Index (°F) | 95 | 93 | 90 | 86 | 79 | 77 | 76 | 75 | 75 | 78 | 83 | 84 | 87 | 87 | 88 | 89 | 89 | 87 | 84 | |||||
| Surface Wind (mph) | 10 | 9 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 7 |
| Wind Dir | SW | SW | W | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 65 | 36 | 29 | 27 | 31 | 32 | 32 | 33 | 32 | 30 | 29 | 28 | 26 | 24 | 25 | 26 | 27 | 27 | 27 | 26 | 23 | 20 | 16 | 21 |
| Precipitation Potential (%) | 36 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 6 | 6 | 6 | 6 | 6 |
| Relative Humidity (%) | 65 | 70 | 74 | 77 | 82 | 87 | 87 | 87 | 90 | 87 | 87 | 87 | 84 | 84 | 76 | 69 | 67 | 63 | 59 | 57 | 55 | 55 | 53 | 56 |
| Rain | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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