| Point Forecast: Portland CT 41.57N 72.62W (Elev. 3 m) |
Last Update: 2:29 pm EDT Jul 14, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°C) | 23 | 23 | 22 | 23 | 22 | 22 | 22 | 23 | 24 | 26 | 27 | 28 | 29 | 29 | 30 | 29 | 29 | 29 | 29 | 27 | 25 | 24 | 23 | 23 |
| Dewpoint (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Heat Index (°C) | 24 | 26 | 29 | 31 | 32 | 32 | 33 | 32 | 33 | 32 | 32 | 29 | 25 | 24 | ||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 |
| Wind Dir | S | S | SW | S | S | S | S | SW | SW | SW | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 84 | 89 | 88 | 82 | 82 | 73 | 69 | 62 | 58 | 58 | 45 | 43 | 33 | 43 | 45 | 43 | 12 | 10 | 16 | 17 | 9 | 19 | 23 | 29 |
| Precipitation Potential (%) | 50 | 53 | 53 | 53 | 38 | 38 | 38 | 37 | 37 | 37 | 18 | 18 | 18 | 22 | 22 | 22 | 6 | 6 | 6 | 3 | 3 | 3 | 7 | 7 |
| Relative Humidity (%) | 97 | 97 | 100 | 98 | 100 | 100 | 100 | 96 | 90 | 84 | 79 | 71 | 66 | 63 | 61 | 63 | 65 | 66 | 68 | 75 | 83 | 86 | 92 | 92 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°C) | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 24 | 25 | 27 | 28 | 29 | 31 | 31 | 32 | 32 | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
| Dewpoint (°C) | 22 | 22 | 22 | 22 | 21 | 22 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 24 | 24 | 24 |
| Heat Index (°C) | 24 | 25 | 30 | 33 | 34 | 36 | 37 | 37 | 37 | 37 | 35 | 33 | 32 | 29 | 26 | 25 | 24 | |||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 7 | 6 | 5 | 5 | 3 | 2 |
| Wind Dir | S | S | S | S | S | S | S | S | S | SW | SW | SW | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 36 | 42 | 49 | 57 | 64 | 61 | 58 | 55 | 53 | 51 | 50 | 49 | 49 | 48 | 47 | 47 | 46 | 50 | 54 | 59 | 64 | 69 | 74 | 78 |
| Precipitation Potential (%) | 7 | 9 | 9 | 9 | 9 | 9 | 9 | 12 | 12 | 12 | 12 | 12 | 12 | 23 | 23 | 23 | 23 | 23 | 23 | 29 | 29 | 29 | 29 | 29 |
| Relative Humidity (%) | 93 | 94 | 97 | 95 | 94 | 96 | 99 | 100 | 94 | 88 | 80 | 75 | 68 | 66 | 64 | 64 | 66 | 70 | 72 | 79 | 85 | 91 | 94 | 97 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc |
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