| Point Forecast: Derry NH 42.92N 71.3W (Elev. 397 ft) |
Last Update: 7:24 pm EDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 80 | 78 | 77 | 75 | 74 | 73 | 71 | 70 | 69 | 69 | 72 | 75 | 78 | 82 | 85 | 87 | 88 | 90 | 91 | 91 | 91 | 89 | 86 | 83 |
| Dewpoint (°F) | 70 | 71 | 70 | 71 | 70 | 69 | 69 | 68 | 68 | 68 | 69 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 69 | 70 | 70 | 70 | 70 | 70 |
| Heat Index (°F) | 83 | 78 | 77 | 75 | 75 | 78 | 86 | 90 | 92 | 93 | 96 | 96 | 97 | 97 | 94 | 91 | 87 | |||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 6 | 5 | 5 | 5 |
| Wind Dir | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | SW | S | S | SW | SW | SW | SW | SW | SW | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 14 | 12 | 5 | 4 | 3 | 9 | 17 | 18 | 23 | 24 | 22 | 18 | 7 | 6 | 4 | 5 | 10 | 10 | 8 | 12 | 6 | 16 | 20 | 13 |
| Precipitation Potential (%) | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 |
| Relative Humidity (%) | 72 | 79 | 79 | 87 | 87 | 87 | 93 | 93 | 97 | 97 | 90 | 84 | 76 | 67 | 61 | 57 | 55 | 52 | 49 | 50 | 50 | 54 | 59 | 65 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 80 | 79 | 77 | 76 | 75 | 74 | 73 | 73 | 72 | 73 | 74 | 75 | 77 | 79 | 81 | 82 | 84 | 85 | 85 | 85 | 85 | 84 | 82 | 81 |
| Dewpoint (°F) | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 71 | 72 | 73 | 74 | 74 | 75 | 75 | 76 | 76 | 76 | 76 | 76 | 76 | 75 | 75 |
| Heat Index (°F) | 83 | 79 | 77 | 76 | 75 | 75 | 77 | 79 | 87 | 89 | 93 | 94 | 94 | 94 | 94 | 93 | 89 | 87 | ||||||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 |
| Wind Dir | S | SW | SW | SW | SW | SW | SW | S | S | S | SW | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 17 | 36 | 55 | 59 | 63 | 67 | 71 | 75 | 78 | 77 | 75 | 74 | 71 | 69 | 66 | 64 | 61 | 59 | 56 | 53 | 51 | 48 | 44 | 41 |
| Precipitation Potential (%) | 8 | 8 | 8 | 8 | 8 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 27 | 35 | 42 | 50 | 57 | 52 | 52 | 48 | 48 | 47 | 47 | 28 |
| Relative Humidity (%) | 72 | 74 | 79 | 82 | 84 | 87 | 90 | 90 | 93 | 93 | 93 | 94 | 90 | 85 | 82 | 79 | 77 | 75 | 75 | 75 | 75 | 77 | 79 | 82 |
| Rain | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | -- |
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