| Point Forecast: Philadelphia International Airport PA 39.88N 75.23W (Elev. 3 ft) |
Last Update: 4:11 am EDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (EDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 79 | 82 | 84 | 85 | 85 | 85 | 85 | 85 | 84 | 81 | 79 | 77 | 76 | 75 | 75 | 74 | 74 | 74 | 73 | 73 | 74 | 75 | 77 | 79 |
| Dewpoint (°F) | 74 | 74 | 74 | 74 | 75 | 75 | 74 | 74 | 74 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 72 | 72 | 73 | 73 |
| Heat Index (°F) | 79 | 88 | 91 | 93 | 94 | 94 | 93 | 93 | 91 | 86 | 79 | 77 | 76 | 75 | 75 | 75 | 77 | 79 | ||||||
| Surface Wind (mph) | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 5 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 6 |
| Wind Dir | E | SE | SE | SE | SE | SE | S | S | SE | SE | SE | SE | SE | SE | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 75 | 69 | 66 | 66 | 63 | 60 | 61 | 60 | 60 | 61 | 65 | 68 | 72 | 75 | 82 | 86 | 87 | 86 | 87 | 88 | 87 | 85 | 82 | 82 |
| Precipitation Potential (%) | 3 | 3 | 6 | 16 | 12 | 14 | 21 | 16 | 21 | 23 | 16 | 17 | 18 | 14 | 13 | 23 | 19 | 21 | 25 | 26 | 24 | 33 | 33 | 33 |
| Relative Humidity (%) | 85 | 77 | 72 | 70 | 72 | 72 | 70 | 70 | 72 | 77 | 82 | 85 | 87 | 90 | 90 | 93 | 93 | 93 | 93 | 93 | 93 | 90 | 87 | 82 |
| Rain | -- | -- | -- | SChc | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | SChc | SChc | SChc | Chc | Chc | SChc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | SChc | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (EDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 80 | 82 | 84 | 85 | 85 | 85 | 84 | 82 | 81 | 79 | 78 | 78 | 77 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 76 | 77 | 79 |
| Dewpoint (°F) | 74 | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 75 |
| Heat Index (°F) | 84 | 88 | 91 | 94 | 94 | 94 | 92 | 89 | 87 | 79 | 78 | 78 | 77 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 76 | 77 | 79 |
| Surface Wind (mph) | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 84 | 79 | 77 | 82 | 82 | 82 | 82 | 82 | 82 | 73 | 74 | 75 | 76 | 76 | 75 | 75 | 74 | 74 | 73 | 73 | 73 | 73 | 74 | 76 |
| Precipitation Potential (%) | 33 | 33 | 33 | 73 | 73 | 73 | 73 | 73 | 73 | 44 | 44 | 44 | 44 | 44 | 44 | 43 | 43 | 43 | 43 | 43 | 43 | 42 | 42 | 42 |
| Relative Humidity (%) | 82 | 77 | 72 | 72 | 72 | 72 | 74 | 79 | 82 | 88 | 91 | 91 | 94 | 97 | 94 | 97 | 97 | 97 | 97 | 97 | 97 | 94 | 90 | 88 |
| Rain | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | SChc | SChc | SChc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc |
