| Point Forecast: Philadelphia PA 39.96N 75.16W (Elev. 26 ft) |
Last Update: 4:13 pm EDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 84 | 83 | 80 | 79 | 79 | 77 | 77 | 77 | 76 | 75 | 75 | 75 | 76 | 77 | 80 | 82 | 84 | 87 | 87 | 87 | 87 | 86 | 86 | 85 |
| Dewpoint (°F) | 74 | 74 | 74 | 75 | 74 | 74 | 75 | 74 | 74 | 74 | 74 | 73 | 75 | 75 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 76 |
| Heat Index (°F) | 91 | 90 | 84 | 79 | 79 | 77 | 77 | 77 | 76 | 75 | 75 | 75 | 76 | 77 | 86 | 89 | 92 | 96 | 96 | 96 | 96 | 95 | 95 | 94 |
| Surface Wind (mph) | 3 | 5 | 3 | 3 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 7 | 8 | 9 | 9 | 9 | 10 | 9 |
| Wind Dir | SW | SW | SW | S | S | SW | SW | SW | SW | SW | SW | S | SW | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 51 | 41 | 34 | 33 | 36 | 38 | 44 | 46 | 53 | 60 | 66 | 67 | 65 | 64 | 62 | 55 | 55 | 58 | 68 | 69 | 71 | 74 | 73 | 76 |
| Precipitation Potential (%) | 29 | 8 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 4 | 4 | 2 | 3 | 3 | 6 | 14 | 24 | 37 | 43 | 55 | 63 | 62 | 60 |
| Relative Humidity (%) | 72 | 74 | 82 | 88 | 85 | 90 | 94 | 90 | 94 | 97 | 97 | 94 | 97 | 94 | 88 | 82 | 74 | 68 | 68 | 68 | 68 | 70 | 70 | 75 |
| Rain | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Lkly | Lkly | Lkly | Lkly |
| Thunder | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Lkly | Lkly |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 84 | 82 | 79 | 78 | 78 | 78 | 77 | 77 | 77 | 76 | 76 | 76 | 77 | 78 | 80 | 82 | 84 | 86 | 88 | 89 | 90 | 90 | 90 | 89 |
| Dewpoint (°F) | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 75 | 75 | 75 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 75 | 75 | 75 |
| Heat Index (°F) | 92 | 89 | 79 | 78 | 78 | 78 | 77 | 77 | 77 | 76 | 76 | 76 | 77 | 78 | 86 | 89 | 93 | 96 | 99 | 100 | 102 | 101 | 101 | 99 |
| Surface Wind (mph) | 9 | 9 | 8 | 9 | 10 | 8 | 7 | 6 | 5 | 5 | 5 | 6 | 8 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 8 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | SW | SW | SW | SW | SW | SW | SW | W | W | W | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 76 | 82 | 84 | 85 | 86 | 84 | 82 | 80 | 78 | 77 | 77 | 76 | 74 | 68 | 64 | 61 | 57 | 60 | 63 | 66 | 66 | 66 | 66 | 66 |
| Precipitation Potential (%) | 70 | 51 | 51 | 51 | 51 | 51 | 51 | 30 | 30 | 30 | 30 | 30 | 30 | 34 | 34 | 34 | 34 | 34 | 34 | 49 | 49 | 49 | 49 | 49 |
| Relative Humidity (%) | 74 | 79 | 88 | 91 | 91 | 91 | 94 | 94 | 90 | 94 | 97 | 97 | 94 | 94 | 88 | 82 | 77 | 72 | 68 | 66 | 64 | 62 | 62 | 64 |
| Rain | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc |
