| Point Forecast: Trenton, Mercer County Airport NJ 40.28N 74.83W (Elev. 200 ft) |
Last Update: 6:10 am EDT May 13, 2026 |
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| Date | 05/13 | 05/14 | ||||||||||||||||||||||
| Hour (EDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 52 | 54 | 57 | 61 | 65 | 68 | 70 | 73 | 74 | 74 | 74 | 73 | 72 | 70 | 66 | 63 | 61 | 60 | 58 | 57 | 56 | 55 | 54 | 54 |
| Dewpoint (°F) | 44 | 45 | 46 | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 53 | 53 | 53 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 9 | 9 | 10 | 13 | 15 | 16 | 17 | 18 | 18 | 18 | 18 | 17 | 16 | 14 | 13 | 11 | 10 | 8 | 7 | 6 | 5 | 3 | 2 | 2 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW |
| Gust | 20 | 28 | 29 | 29 | 30 | 30 | 29 | 26 | 24 | |||||||||||||||
| Sky Cover (%) | 80 | 69 | 59 | 61 | 63 | 65 | 66 | 66 | 67 | 68 | 70 | 71 | 76 | 81 | 86 | 85 | 84 | 83 | 86 | 89 | 93 | 93 | 93 | 93 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 27 | 36 | 47 | 56 | 59 | 64 | 87 | 77 | 80 | 69 |
| Relative Humidity (%) | 74 | 71 | 67 | 60 | 52 | 45 | 42 | 38 | 37 | 37 | 37 | 38 | 39 | 42 | 50 | 58 | 65 | 69 | 77 | 83 | 90 | 93 | 96 | 96 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- |
| Date | 05/15 | |||||||||||||||||||||||
| Hour (EDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 54 | 53 | 54 | 56 | 59 | 61 | 62 | 64 | 65 | 65 | 65 | 65 | 64 | 62 | 59 | 56 | 55 | 54 | 53 | 52 | 50 | 49 | 49 | 49 |
| Dewpoint (°F) | 53 | 53 | 53 | 54 | 53 | 52 | 52 | 51 | 50 | 50 | 49 | 48 | 48 | 48 | 48 | 48 | 48 | 47 | 47 | 46 | 46 | 45 | 45 | 45 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 2 | 3 | 5 | 6 | 6 | 7 | 8 | 9 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 7 | 8 | 7 | 7 | 8 |
| Wind Dir | SW | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 87 | 82 | 77 | 71 | 66 | 60 | 61 | 62 | 63 | 62 | 61 | 61 | 59 | 58 | 57 | 57 | 57 | 57 | 56 | 54 | 53 | 56 | 58 | 60 |
| Precipitation Potential (%) | 64 | 53 | 46 | 35 | 25 | 14 | 11 | 7 | 4 | 8 | 11 | 15 | 19 | 23 | 11 | 11 | 11 | 11 | 11 | 11 | 14 | 14 | 14 | 14 |
| Relative Humidity (%) | 96 | 100 | 96 | 93 | 80 | 72 | 70 | 63 | 58 | 58 | 56 | 54 | 56 | 60 | 67 | 74 | 77 | 77 | 80 | 80 | 86 | 86 | 86 | 86 |
| Rain | Lkly | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
