| Point Forecast: Philadelphia International Airport PA 39.88N 75.23W (Elev. 1 m) |
Last Update: 1:08 am EDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°C) | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 26 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 27 | 26 | 25 | 24 | 24 |
| Dewpoint (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 |
| Heat Index (°C) | 24 | 24 | 24 | 25 | 26 | 31 | 33 | 34 | 34 | 34 | 34 | 34 | 33 | 30 | 26 | 25 | 24 | 24 | ||||||
| Surface Wind (mph) | 5 | 5 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 5 |
| Wind Dir | SE | E | E | E | E | E | E | E | E | E | E | SE | SE | SE | SE | SE | S | S | SE | SE | SE | SE | SE | SE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 77 | 82 | 85 | 88 | 89 | 89 | 87 | 86 | 80 | 79 | 75 | 69 | 66 | 66 | 63 | 60 | 61 | 60 | 60 | 61 | 65 | 68 | 72 | 75 |
| Precipitation Potential (%) | 2 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 2 | 3 | 3 | 3 | 6 | 16 | 12 | 14 | 21 | 16 | 21 | 23 | 16 | 17 | 18 | 14 |
| Relative Humidity (%) | 90 | 93 | 93 | 97 | 93 | 93 | 93 | 90 | 90 | 88 | 85 | 77 | 72 | 70 | 72 | 72 | 70 | 70 | 72 | 77 | 82 | 85 | 87 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°C) | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 26 | 25 | 24 | 24 |
| Dewpoint (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 |
| Heat Index (°C) | 24 | 24 | 25 | 26 | 30 | 32 | 34 | 34 | 34 | 34 | 34 | 33 | 32 | 29 | 26 | 25 | 24 | 24 | ||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 82 | 86 | 87 | 86 | 87 | 88 | 87 | 85 | 82 | 82 | 84 | 79 | 77 | 78 | 78 | 78 | 78 | 78 | 78 | 50 | 50 | 50 | 50 | 50 |
| Precipitation Potential (%) | 13 | 23 | 19 | 21 | 25 | 26 | 24 | 33 | 33 | 33 | 33 | 33 | 33 | 67 | 67 | 67 | 67 | 67 | 67 | 25 | 25 | 25 | 25 | 25 |
| Relative Humidity (%) | 90 | 93 | 93 | 93 | 93 | 93 | 93 | 94 | 90 | 89 | 88 | 83 | 78 | 77 | 75 | 75 | 77 | 80 | 79 | 85 | 88 | 90 | 94 | 97 |
| Rain | -- | SChc | SChc | SChc | Chc | Chc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc |
