| Point Forecast: 2 Miles ENE Old Greenwich CT 41.06N 73.53W (Elev. 49 ft) |
Last Update: 2:23 am EDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°F) | 73 | 73 | 72 | 73 | 75 | 76 | 78 | 80 | 82 | 83 | 83 | 84 | 84 | 84 | 83 | 82 | 79 | 77 | 76 | 75 | 74 | 74 | 74 | 74 |
| Dewpoint (°F) | 72 | 71 | 72 | 73 | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 74 | 74 | 73 | 73 |
| Heat Index (°F) | 75 | 76 | 78 | 85 | 89 | 90 | 90 | 92 | 92 | 92 | 90 | 89 | 79 | 77 | 76 | 75 | ||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 |
| Wind Dir | W | NW | NW | N | N | NE | SE | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | W | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 81 | 71 | 74 | 76 | 79 | 69 | 60 | 51 | 42 | 33 | 24 | 22 | 16 | 23 | 27 | 31 | 35 | 34 | 32 | 31 | 29 | 26 | 24 | 33 |
| Precipitation Potential (%) | 34 | 20 | 20 | 20 | 24 | 24 | 24 | 18 | 18 | 18 | 19 | 19 | 19 | 8 | 8 | 8 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 |
| Relative Humidity (%) | 97 | 93 | 100 | 100 | 97 | 94 | 91 | 85 | 79 | 77 | 77 | 74 | 74 | 74 | 77 | 79 | 88 | 94 | 94 | 97 | 100 | 100 | 97 | 97 |
| Rain | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°F) | 73 | 73 | 73 | 74 | 76 | 79 | 81 | 83 | 85 | 87 | 88 | 90 | 90 | 88 | 85 | 82 | 80 | 78 | 77 | 77 | 76 | 76 | 75 | 74 |
| Dewpoint (°F) | 73 | 73 | 73 | 74 | 76 | 77 | 78 | 78 | 77 | 78 | 78 | 77 | 77 | 77 | 76 | 76 | 76 | 76 | 76 | 76 | 75 | 75 | 74 | 74 |
| Heat Index (°F) | 76 | 79 | 89 | 93 | 96 | 100 | 102 | 103 | 103 | 100 | 94 | 89 | 86 | 78 | 77 | 77 | 76 | 76 | 75 | |||||
| Surface Wind (mph) | 0 | 0 | 1 | 1 | 2 | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 3 | 3 | 3 |
| Wind Dir | W | W | W | W | W | W | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 43 | 52 | 52 | 53 | 53 | 49 | 46 | 42 | 40 | 47 | 57 | 58 | 55 | 54 | 61 | 72 | 82 | 85 | 85 | 84 | 86 | 88 | 89 | 87 |
| Precipitation Potential (%) | 7 | 7 | 7 | 7 | 11 | 11 | 11 | 16 | 16 | 16 | 25 | 25 | 25 | 32 | 32 | 32 | 45 | 45 | 45 | 45 | 45 | 45 | 51 | 51 |
| Relative Humidity (%) | 100 | 100 | 100 | 100 | 100 | 94 | 91 | 85 | 77 | 75 | 72 | 66 | 66 | 70 | 75 | 82 | 88 | 94 | 97 | 97 | 97 | 97 | 97 | 100 |
| Rain | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc |
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