| Point Forecast: 2 Miles NNE Philadelphia PA 39.98N 75.15W (Elev. 69 ft) |
Last Update: 4:08 pm EDT May 12, 2026 |
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| Date | 05/12 | 05/13 | ||||||||||||||||||||||
| Hour (EDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°F) | 63 | 60 | 58 | 56 | 55 | 54 | 54 | 54 | 53 | 54 | 54 | 56 | 58 | 62 | 65 | 68 | 70 | 72 | 73 | 73 | 73 | 72 | 70 | 68 |
| Dewpoint (°F) | 36 | 37 | 38 | 40 | 42 | 43 | 44 | 45 | 45 | 45 | 45 | 46 | 47 | 46 | 45 | 44 | 44 | 44 | 44 | 44 | 45 | 45 | 46 | 47 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 6 | 7 | 6 | 6 | 6 | 7 | 8 | 9 | 10 | 11 | 13 | 14 | 15 | 16 | 17 | 17 | 17 | 17 | 16 | 16 | 15 | 14 |
| Wind Dir | SW | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | S | S | S | S | S | S | S | S |
| Gust | 21 | 23 | 25 | 28 | 29 | 30 | 30 | 29 | 29 | 28 | 26 | 25 | 25 | |||||||||||
| Sky Cover (%) | 6 | 15 | 18 | 22 | 41 | 61 | 70 | 78 | 83 | 82 | 71 | 51 | 42 | 40 | 47 | 49 | 58 | 64 | 74 | 70 | 76 | 77 | 71 | 64 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 5 | 8 | 10 | 13 | 17 | 20 | 23 | 26 |
| Relative Humidity (%) | 36 | 42 | 47 | 55 | 61 | 66 | 69 | 71 | 74 | 71 | 71 | 69 | 67 | 56 | 48 | 42 | 39 | 37 | 35 | 35 | 37 | 38 | 42 | 47 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/14 | |||||||||||||||||||||||
| Hour (EDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°F) | 65 | 63 | 62 | 61 | 60 | 59 | 58 | 57 | 57 | 57 | 56 | 56 | 56 | 57 | 59 | 61 | 63 | 65 | 65 | 66 | 65 | 65 | 63 | 62 |
| Dewpoint (°F) | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 54 | 54 | 54 | 53 | 52 | 51 | 50 | 49 | 48 | 47 | 47 | 46 | 46 | 46 | 45 | 45 | 44 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 13 | 13 | 11 | 10 | 9 | 8 | 7 | 6 | 6 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 11 | 11 |
| Wind Dir | S | S | S | S | S | S | S | S | S | SW | W | W | NW | NW | NW | NW | NW | W | W | W | W | W | W | NW |
| Gust | 24 | 21 | ||||||||||||||||||||||
| Sky Cover (%) | 63 | 66 | 71 | 81 | 88 | 96 | 100 | 96 | 88 | 88 | 88 | 75 | 59 | 58 | 55 | 53 | 53 | 53 | 40 | 41 | 47 | 49 | 49 | 45 |
| Precipitation Potential (%) | 30 | 40 | 50 | 61 | 68 | 76 | 84 | 76 | 68 | 60 | 52 | 37 | 29 | 29 | 29 | 29 | 29 | 29 | 20 | 20 | 20 | 20 | 20 | 20 |
| Relative Humidity (%) | 54 | 60 | 65 | 70 | 75 | 80 | 87 | 90 | 90 | 90 | 90 | 86 | 83 | 77 | 69 | 62 | 56 | 52 | 50 | 48 | 50 | 48 | 52 | 52 |
| Rain | Chc | Chc | Chc | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
