| Point Forecast: Marlton NJ 39.89N 74.94W (Elev. 28 m) |
Last Update: 4:09 pm EDT Sep 15, 2026 |
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| Date | 09/16 | 09/17 | ||||||||||||||||||||||
| 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 (°C) | 13 | 13 | 13 | 13 | 13 | 16 | 19 | 22 | 24 | 26 | 27 | 28 | 29 | 29 | 29 | 28 | 27 | 24 | 22 | 21 | 21 | 20 | 20 | 20 |
| Dewpoint (°C) | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 |
| Heat Index (°C) | 24 | 26 | 27 | 28 | 29 | 29 | 29 | 29 | 27 | 24 | ||||||||||||||
| Surface Wind (mph) | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 3 |
| Wind Dir | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | S | S | S | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 9 | 8 | 17 | 18 | 15 | 14 | 14 | 26 | 20 | 23 | 26 | 33 | 30 | 30 | 27 | 28 | 31 | 42 | 51 | 50 | 53 | 47 | 43 | 57 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 100 | 100 | 100 | 100 | 100 | 90 | 78 | 66 | 60 | 54 | 52 | 48 | 46 | 48 | 48 | 49 | 56 | 66 | 73 | 78 | 81 | 84 | 84 | 87 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/18 | |||||||||||||||||||||||
| 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 (°C) | 19 | 19 | 19 | 19 | 19 | 20 | 22 | 24 | 26 | 27 | 28 | 29 | 30 | 30 | 30 | 29 | 27 | 26 | 24 | 24 | 23 | 22 | 22 | 22 |
| Dewpoint (°C) | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 19 |
| Heat Index (°C) | 24 | 26 | 28 | 29 | 30 | 31 | 31 | 31 | 30 | 28 | 26 | 24 | 24 | |||||||||||
| Surface Wind (mph) | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 |
| Wind Dir | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | S | S | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 65 | 64 | 58 | 67 | 52 | 41 | 22 | 31 | 39 | 40 | 41 | 42 | 44 | 45 | 46 | 50 | 54 | 58 | 59 | 59 | 60 | 59 | 59 | 58 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 17 | 17 | 17 | 17 | 17 | 17 | 23 |
| Relative Humidity (%) | 87 | 87 | 93 | 93 | 93 | 87 | 76 | 71 | 64 | 58 | 57 | 55 | 51 | 51 | 51 | 55 | 60 | 64 | 71 | 71 | 76 | 79 | 81 | 84 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
