| Point Forecast: Portsmouth NH 43.05N 70.78W (Elev. 15 m) |
Last Update: 7:55 pm EDT Jul 14, 2025 |
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| Date | 07/15 | |||||||||||||||||||||||
| Hour (EDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°C) | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 23 | 25 | 27 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 27 | 25 | 23 | 23 | 23 |
| Dewpoint (°C) | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 |
| Heat Index (°C) | 25 | 29 | 32 | 33 | 33 | 33 | 33 | 32 | 32 | 31 | 29 | 25 | ||||||||||||
| Surface Wind (mph) | 3 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 | 5 | 3 | 3 | 2 | 2 | 2 |
| Wind Dir | SW | SW | SW | SW | SW | W | W | W | W | W | W | S | S | SE | SE | SE | SE | S | S | S | S | S | S | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 89 | 91 | 91 | 90 | 91 | 91 | 88 | 67 | 47 | 32 | 20 | 15 | 14 | 18 | 28 | 45 | 45 | 45 | 11 | 16 | 11 | 9 | 11 | 13 |
| Precipitation Potential (%) | 22 | 19 | 24 | 22 | 18 | 14 | 17 | 6 | 9 | 6 | 4 | 2 | 2 | 6 | 20 | 20 | 20 | 20 | 3 | 3 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 100 | 97 | 97 | 97 | 100 | 100 | 97 | 100 | 93 | 85 | 79 | 72 | 65 | 65 | 65 | 65 | 67 | 67 | 72 | 77 | 85 | 90 | 90 | 90 |
| Rain | SChc | SChc | SChc | SChc | SChc | -- | SChc | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (EDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°C) | 22 | 22 | 21 | 21 | 21 | 20 | 21 | 22 | 23 | 25 | 27 | 29 | 29 | 29 | 30 | 29 | 29 | 29 | 28 | 27 | 26 | 26 | 25 | 25 |
| Dewpoint (°C) | 21 | 21 | 21 | 21 | 20 | 20 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Heat Index (°C) | 25 | 29 | 32 | 33 | 33 | 33 | 33 | 32 | 32 | 30 | 28 | 26 | 26 | 25 | 25 | |||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | S | S | S | S | S | S | S | S | S | S | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 14 | 15 | 15 | 21 | 26 | 32 | 29 | 26 | 23 | 23 | 23 | 23 | 24 | 25 | 26 | 27 | 27 | 27 | 33 | 39 | 45 | 50 | 56 | 61 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 8 | 13 | 13 | 13 | 13 |
| Relative Humidity (%) | 93 | 93 | 97 | 100 | 97 | 100 | 97 | 93 | 90 | 85 | 74 | 70 | 67 | 65 | 63 | 65 | 63 | 65 | 69 | 74 | 79 | 79 | 82 | 82 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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