| Point Forecast: Derry NH 42.92N 71.3W (Elev. 397 ft) |
Last Update: 4:20 am EDT Jul 15, 2025 |
 |
|
[show menu] |
| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 71 | 72 | 73 | 74 | 77 | 80 | 83 | 84 | 86 | 88 | 88 | 88 | 88 | 86 | 84 | 82 | 79 | 77 | 75 | 73 | 72 | 71 | 71 | 70 |
| Dewpoint (°F) | 69 | 70 | 71 | 71 | 72 | 72 | 72 | 72 | 71 | 70 | 70 | 70 | 70 | 70 | 71 | 72 | 71 | 71 | 71 | 70 | 70 | 70 | 69 | 69 |
| Heat Index (°F) | 77 | 84 | 88 | 90 | 91 | 93 | 93 | 93 | 93 | 91 | 89 | 87 | 79 | 77 | 75 | |||||||||
| Surface Wind (mph) | 3 | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | SW | SW | W | W | W | W | W | W | SW | W | W | SW | SW | SW | SW | S | SW | SW | SW | SW | SW | SW | SW | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 87 | 80 | 61 | 45 | 33 | 28 | 21 | 22 | 37 | 39 | 46 | 43 | 42 | 25 | 22 | 14 | 16 | 15 | 6 | 5 | 7 | 10 | 13 | 16 |
| Precipitation Potential (%) | 7 | 5 | 2 | 0 | 1 | 2 | 3 | 3 | 4 | 5 | 4 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 93 | 93 | 93 | 90 | 85 | 77 | 70 | 67 | 61 | 55 | 55 | 55 | 55 | 59 | 65 | 72 | 77 | 82 | 87 | 90 | 93 | 97 | 93 | 97 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 69 | 71 | 72 | 73 | 76 | 80 | 84 | 86 | 88 | 90 | 90 | 89 | 89 | 87 | 85 | 83 | 81 | 79 | 77 | 76 | 75 | 74 | 73 | 73 |
| Dewpoint (°F) | 68 | 69 | 70 | 71 | 72 | 73 | 73 | 72 | 72 | 71 | 71 | 71 | 71 | 72 | 72 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 71 |
| Heat Index (°F) | 76 | 84 | 90 | 92 | 95 | 96 | 96 | 95 | 95 | 94 | 91 | 89 | 86 | 79 | 77 | 76 | 75 | |||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | W | W | W | W | W | SW | SW | SW | SW | SW | SW | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 20 | 21 | 21 | 23 | 18 | 16 | 14 | 16 | 19 | 21 | 26 | 30 | 35 | 39 | 44 | 48 | 52 | 56 | 60 | 62 | 63 | 65 | 69 | 74 |
| Precipitation Potential (%) | 1 | 2 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 12 | 12 | 12 | 12 | 12 | 12 | 15 | 15 | 15 | 15 | 15 | 15 | 24 | 24 | 24 |
| Relative Humidity (%) | 97 | 93 | 93 | 93 | 87 | 79 | 70 | 63 | 59 | 54 | 54 | 56 | 56 | 61 | 65 | 72 | 77 | 79 | 85 | 87 | 90 | 93 | 97 | 93 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | SChc | SChc | SChc |
| ||||||||||||