| Point Forecast: 2 Miles NNE Philadelphia PA 39.98N 75.15W (Elev. 21 m) |
Last Update: 4:08 pm EDT May 11, 2026 |
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| Date | 05/11 | 05/12 | ||||||||||||||||||||||
| Hour (EDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°C) | 17 | 17 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 11 | 10 | 9 | 8 | 9 | 9 | 11 | 12 | 14 | 16 | 17 | 18 | 18 | 19 | 21 |
| Dewpoint (°C) | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | -1 | -1 | -2 | -2 | -2 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 5 | 3 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 5 | 6 | 6 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | N | N | N | N | N | N | N | N | N | N | N | N | N | NW | NW | NW | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 92 | 56 | 28 | 27 | 26 | 28 | 50 | 55 | 49 | 28 | 10 | 6 | 9 | 6 | 3 | 2 | 2 | 2 | 1 | 0 | 1 | 2 | 1 | 2 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 35 | 35 | 38 | 42 | 45 | 51 | 57 | 59 | 61 | 63 | 66 | 68 | 68 | 60 | 58 | 54 | 48 | 42 | 36 | 31 | 28 | 25 | 23 | 22 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/13 | |||||||||||||||||||||||
| Hour (EDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°C) | 21 | 20 | 19 | 18 | 16 | 14 | 13 | 12 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 14 | 16 | 17 | 19 | 21 | 21 | 22 | 22 | 22 |
| Dewpoint (°C) | -1 | 0 | 1 | 2 | 3 | 3 | 4 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 11 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 5 | 2 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 7 | 8 | 8 | 9 | 11 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 15 |
| Wind Dir | W | W | W | SW | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 6 | 17 | 26 | 11 | 39 | 33 | 39 | 49 | 70 | 68 | 80 | 80 | 80 | 62 | 52 | 74 | 58 | 60 | 61 | 68 | 74 | 81 | 82 | 83 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 61 | 61 | 61 |
| Relative Humidity (%) | 23 | 26 | 30 | 35 | 42 | 47 | 57 | 64 | 69 | 71 | 74 | 77 | 74 | 77 | 77 | 72 | 64 | 58 | 52 | 47 | 46 | 44 | 46 | 48 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Lkly | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
