| Point Forecast: Portsmouth NH 43.07N 70.78W (Elev. 33 ft) |
Last Update: 1:45 pm EDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 72 | 71 | 69 | 68 | 67 | 67 | 67 | 66 | 66 | 66 | 66 | 66 | 66 | 68 | 69 | 72 | 74 | 76 | 78 | 79 | 79 | 79 | 79 | 77 |
| Dewpoint (°F) | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 65 | 66 | 65 | 65 | 66 | 66 | 67 | 68 | 68 | 69 | 70 | 69 | 70 | 70 | 69 | 70 |
| Heat Index (°F) | 76 | 78 | 79 | 79 | 79 | 79 | 77 | |||||||||||||||||
| Surface Wind (mph) | 8 | 7 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 6 |
| Wind Dir | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 39 | 45 | 52 | 53 | 64 | 60 | 61 | 65 | 71 | 74 | 81 | 86 | 89 | 79 | 72 | 71 | 69 | 68 | 66 | 64 | 63 | 61 | 68 | 68 |
| Precipitation Potential (%) | 2 | 3 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 14 | 24 | 32 | 34 | 38 |
| Relative Humidity (%) | 81 | 84 | 90 | 93 | 97 | 97 | 97 | 100 | 97 | 100 | 97 | 97 | 100 | 93 | 93 | 87 | 82 | 79 | 76 | 72 | 74 | 74 | 72 | 79 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 76 | 76 | 74 | 73 | 72 | 71 | 71 | 71 | 71 | 70 | 70 | 69 | 71 | 72 | 74 | 77 | 79 | 82 | 83 | 83 | 84 | 84 | 84 | 84 |
| Dewpoint (°F) | 70 | 69 | 70 | 71 | 71 | 70 | 70 | 70 | 70 | 70 | 69 | 69 | 70 | 71 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 71 | 70 | 70 |
| Heat Index (°F) | 76 | 76 | 77 | 79 | 87 | 88 | 88 | 89 | 89 | 88 | 88 | |||||||||||||
| Surface Wind (mph) | 6 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 |
| Wind Dir | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | W | W | W | W | SW | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 70 | 67 | 66 | 74 | 77 | 79 | 77 | 75 | 73 | 73 | 72 | 72 | 64 | 57 | 49 | 46 | 42 | 39 | 36 | 34 | 32 | 29 | 26 | 23 |
| Precipitation Potential (%) | 35 | 41 | 20 | 20 | 20 | 20 | 20 | 20 | 12 | 12 | 12 | 12 | 12 | 12 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Relative Humidity (%) | 82 | 79 | 87 | 93 | 97 | 97 | 97 | 97 | 97 | 100 | 97 | 100 | 97 | 97 | 93 | 85 | 79 | 72 | 70 | 67 | 65 | 65 | 63 | 63 |
| Rain | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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