| Point Forecast: Leonia NJ 40.87N 73.98W (Elev. 53 m) |
Last Update: 9:10 pm EDT Sep 12, 2026 |
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| Date | 09/12 | 09/13 | ||||||||||||||||||||||
| Hour (EDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°C) | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 24 | 24 | 26 | 26 | 26 | 26 | 25 | 24 | 23 |
| Dewpoint (°C) | 15 | 16 | 17 | 17 | 18 | 18 | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 21 | 21 | 21 | 21 | 20 |
| Heat Index (°C) | 24 | 24 | 26 | 26 | 26 | 26 | 25 | 24 | ||||||||||||||||
| Surface Wind (mph) | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 3 |
| Wind Dir | SE | SE | SE | SE | SE | SE | SE | SE | E | E | SE | E | E | E | NE | NW | N | N | N | N | NW | NW | SW | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 59 | 69 | 68 | 80 | 80 | 83 | 85 | 88 | 91 | 91 | 96 | 96 | 96 | 94 | 88 | 80 | 75 | 53 | 43 | 27 | 23 | 32 | 26 | 25 |
| Precipitation Potential (%) | 2 | 14 | 14 | 14 | 65 | 65 | 65 | 81 | 81 | 81 | 92 | 92 | 92 | 41 | 41 | 41 | 18 | 18 | 18 | 3 | 3 | 3 | 8 | 8 |
| Relative Humidity (%) | 66 | 68 | 73 | 78 | 84 | 84 | 90 | 90 | 93 | 93 | 97 | 93 | 97 | 93 | 90 | 84 | 82 | 76 | 79 | 74 | 74 | 79 | 79 | 82 |
| Rain | -- | -- | -- | -- | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/14 | |||||||||||||||||||||||
| Hour (EDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°C) | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 20 | 19 | 19 | 20 | 21 | 22 | 23 | 23 | 24 | 24 | 23 | 23 | 22 | 21 | 19 | 19 |
| Dewpoint (°C) | 20 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 16 | 16 | 16 | 15 | 14 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 |
| Heat Index (°C) | 24 | 24 | ||||||||||||||||||||||
| Surface Wind (mph) | 3 | 5 | 5 | 5 | 6 | 7 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 8 | 8 |
| Wind Dir | SW | SW | SW | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 25 | 20 | 16 | 30 | 58 | 59 | 62 | 73 | 74 | 81 | 66 | 18 | 16 | 14 | 12 | 9 | 7 | 8 | 10 | 11 | 11 | 10 | 10 | 9 |
| Precipitation Potential (%) | 8 | 2 | 2 | 2 | 21 | 21 | 21 | 39 | 39 | 39 | 4 | 4 | 4 | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 82 | 84 | 84 | 87 | 84 | 84 | 84 | 84 | 84 | 81 | 81 | 76 | 70 | 61 | 53 | 50 | 46 | 45 | 46 | 48 | 49 | 53 | 54 | 56 |
| Rain | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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