| Point Forecast: Merrimack NH 42.86N 71.49W (Elev. 118 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) | 82 | 81 | 78 | 75 | 73 | 71 | 70 | 69 | 68 | 68 | 68 | 67 | 67 | 69 | 71 | 74 | 76 | 80 | 81 | 82 | 84 | 84 | 85 | 83 |
| Dewpoint (°F) | 68 | 68 | 69 | 68 | 68 | 67 | 68 | 67 | 67 | 67 | 67 | 66 | 66 | 67 | 69 | 70 | 71 | 72 | 73 | 73 | 73 | 74 | 74 | 74 |
| Heat Index (°F) | 85 | 84 | 78 | 75 | 76 | 84 | 86 | 87 | 90 | 91 | 93 | 90 | ||||||||||||
| Surface Wind (mph) | 6 | 6 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 5 | 5 | 5 | 6 | 6 | 5 |
| Wind Dir | S | 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 (%) | 26 | 32 | 37 | 37 | 40 | 39 | 49 | 65 | 72 | 75 | 72 | 73 | 73 | 69 | 69 | 69 | 70 | 70 | 71 | 71 | 72 | 74 | 86 | 90 |
| Precipitation Potential (%) | 2 | 4 | 5 | 5 | 5 | 5 | 4 | 5 | 6 | 6 | 7 | 7 | 7 | 8 | 5 | 5 | 7 | 9 | 11 | 19 | 26 | 44 | 57 | 60 |
| Relative Humidity (%) | 63 | 65 | 74 | 79 | 84 | 87 | 93 | 93 | 97 | 97 | 97 | 97 | 97 | 93 | 93 | 87 | 85 | 77 | 77 | 74 | 70 | 72 | 70 | 74 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | 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) | 82 | 80 | 77 | 75 | 74 | 73 | 72 | 72 | 71 | 71 | 70 | 70 | 71 | 73 | 74 | 77 | 81 | 84 | 85 | 87 | 88 | 88 | 89 | 89 |
| Dewpoint (°F) | 74 | 74 | 73 | 73 | 73 | 72 | 71 | 71 | 70 | 70 | 69 | 69 | 70 | 71 | 72 | 72 | 73 | 73 | 73 | 72 | 72 | 72 | 71 | 71 |
| Heat Index (°F) | 88 | 84 | 77 | 75 | 77 | 86 | 90 | 92 | 94 | 95 | 95 | 95 | 95 | |||||||||||
| Surface Wind (mph) | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | SW | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | W | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 89 | 69 | 75 | 74 | 76 | 78 | 76 | 74 | 72 | 70 | 69 | 67 | 61 | 55 | 49 | 43 | 36 | 29 | 27 | 25 | 23 | 20 | 18 | 16 |
| Precipitation Potential (%) | 56 | 38 | 24 | 24 | 24 | 24 | 24 | 24 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 |
| Relative Humidity (%) | 77 | 82 | 87 | 94 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 93 | 93 | 85 | 77 | 70 | 67 | 61 | 59 | 59 | 56 | 56 |
| Rain | Lkly | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc |
| Thunder | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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