| Point Forecast: Portsmouth NH 43.05N 70.78W (Elev. 15 m) |
Last Update: 6:31 am EDT Jul 14, 2025 |
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| Date | 07/14 | 07/15 | ||||||||||||||||||||||
| Hour (EDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°C) | 21 | 22 | 22 | 23 | 24 | 25 | 26 | 26 | 26 | 26 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 22 |
| Dewpoint (°C) | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 |
| Heat Index (°C) | 24 | 25 | 26 | 26 | 26 | 26 | 25 | 24 | 24 | |||||||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 8 | 7 | 8 | 7 | 7 | 6 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 68 | 69 | 70 | 66 | 69 | 67 | 66 | 63 | 67 | 67 | 72 | 69 | 75 | 76 | 80 | 84 | 85 | 83 | 82 | 80 | 81 | 82 | 80 | 75 |
| Precipitation Potential (%) | 4 | 4 | 4 | 5 | 5 | 12 | 19 | 26 | 32 | 38 | 43 | 36 | 28 | 21 | 19 | 18 | 17 | 15 | 14 | 13 | 12 | 11 | 10 | 9 |
| Relative Humidity (%) | 87 | 87 | 87 | 82 | 79 | 79 | 76 | 77 | 76 | 76 | 79 | 82 | 84 | 90 | 90 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 100 | 97 |
| Rain | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (EDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°C) | 22 | 23 | 24 | 27 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 27 | 26 | 24 | 24 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 21 |
| Dewpoint (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 21 |
| Heat Index (°C) | 24 | 29 | 31 | 31 | 32 | 32 | 32 | 32 | 32 | 31 | 28 | 26 | 24 | 24 | ||||||||||
| Surface Wind (mph) | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | W | W | SW | S | S | S | S | SE | SE | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 61 | 54 | 38 | 37 | 35 | 33 | 30 | 28 | 24 | 21 | 17 | 17 | 18 | 18 | 16 | 14 | 12 | 12 | 11 | 11 | 15 | 18 | 22 | 22 |
| Precipitation Potential (%) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 97 | 97 | 87 | 77 | 70 | 70 | 67 | 67 | 67 | 63 | 63 | 67 | 74 | 79 | 85 | 87 | 93 | 97 | 97 | 100 | 100 | 100 | 100 | 100 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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