| Point Forecast: 4 Miles S Mount Washington NH 44.22N 71.31W (Elev. 3583 ft) |
Last Update: 2:19 am EDT Aug 16, 2026 |
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| Date | 08/16 | 08/17 | ||||||||||||||||||||||
| Hour (EDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 47 | 46 | 45 | 44 | 46 | 48 | 51 | 54 | 57 | 58 | 60 | 60 | 61 | 62 | 61 | 60 | 59 | 58 | 56 | 56 | 56 | 56 | 56 | 56 |
| Dewpoint (°F) | 43 | 42 | 40 | 40 | 41 | 43 | 45 | 46 | 47 | 48 | 48 | 48 | 49 | 49 | 50 | 50 | 51 | 49 | 51 | 51 | 51 | 52 | 53 | 53 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 8 | 7 | 6 | 6 | 6 | 5 | 6 | 8 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 13 | 13 | 14 | 14 | 15 | 15 | 17 | 18 | 21 |
| Wind Dir | NW | W | W | W | SW | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | 20 | 21 | 21 | 22 | 23 | 23 | 24 | 25 | 26 | 28 | 30 | 32 | 34 | |||||||||||
| Sky Cover (%) | 21 | 28 | 35 | 45 | 37 | 40 | 42 | 45 | 37 | 48 | 70 | 63 | 51 | 48 | 67 | 58 | 62 | 74 | 68 | 96 | 90 | 88 | 85 | 89 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 7 | 11 | 15 | 24 | 31 | 35 | 58 |
| Relative Humidity (%) | 86 | 86 | 82 | 86 | 83 | 83 | 80 | 74 | 69 | 69 | 64 | 64 | 65 | 62 | 67 | 69 | 75 | 72 | 83 | 83 | 83 | 86 | 90 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/18 | |||||||||||||||||||||||
| Hour (EDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 55 | 55 | 55 | 54 | 55 | 55 | 55 | 55 | 56 | 57 | 58 | 58 | 59 | 59 | 59 | 59 | 58 | 58 | 57 | 57 | 57 | 57 | 57 | 57 |
| Dewpoint (°F) | 54 | 55 | 55 | 54 | 54 | 54 | 55 | 55 | 56 | 57 | 58 | 58 | 59 | 59 | 59 | 59 | 58 | 58 | 57 | 57 | 57 | 57 | 56 | 56 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 21 | 21 | 21 | 20 | 18 | 18 | 16 | 14 | 11 | 10 | 9 | 8 | 7 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 8 |
| Wind Dir | SW | SW | SW | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | W | W | W | W | NW | NW | NW | NW |
| Gust | 34 | 34 | 34 | 33 | 32 | 32 | 29 | 25 | 22 | 20 | ||||||||||||||
| Sky Cover (%) | 94 | 97 | 95 | 93 | 93 | 82 | 80 | 88 | 84 | 83 | 87 | 88 | 86 | 84 | 81 | 80 | 82 | 80 | 70 | 76 | 82 | 80 | 79 | 77 |
| Precipitation Potential (%) | 61 | 71 | 84 | 82 | 80 | 68 | 54 | 62 | 66 | 41 | 33 | 32 | 31 | 37 | 31 | 25 | 29 | 36 | 43 | 42 | 42 | 35 | 27 | 19 |
| Relative Humidity (%) | 96 | 100 | 100 | 100 | 96 | 96 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 96 | 96 |
| Rain | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Lkly | Chc | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- |
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