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| Point Forecast: Philadelphia PA 39.96N 75.16W (Elev. 26 ft) |
Last Update: 7:12 pm EDT Aug 4, 2021 |
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| Date | 08/04 | 08/05 | ||||||||||||||||||||||
| 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) | 74 | 72 | 70 | 69 | 68 | 67 | 66 | 66 | 65 | 65 | 64 | 64 | 64 | 67 | 71 | 75 | 77 | 80 | 82 | 83 | 84 | 85 | 84 | 84 |
| Dewpoint (°F) | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 62 | 62 | 62 | 61 | 61 | 61 | 62 | 63 | 63 | 63 | 62 | 62 | 62 | 61 | 60 | 60 | 59 |
| Heat Index (°F) | 75 | 77 | 81 | 83 | 84 | 84 | 85 | 84 | 84 | |||||||||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 3 |
| Wind Dir | E | E | NE | NE | NE | NE | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 74 | 69 | 63 | 57 | 51 | 45 | 39 | 33 | 35 | 36 | 38 | 39 | 41 | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 40 | 37 | 34 | 30 |
| Precipitation Potential (%) | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 13 | 12 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 7 | 7 | 7 | 7 | 7 |
| Relative Humidity (%) | 64 | 68 | 73 | 76 | 78 | 81 | 84 | 87 | 90 | 90 | 90 | 90 | 90 | 84 | 76 | 66 | 62 | 54 | 51 | 49 | 46 | 43 | 44 | 43 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/06 | |||||||||||||||||||||||
| 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) | 83 | 81 | 77 | 75 | 73 | 72 | 70 | 68 | 67 | 66 | 66 | 66 | 68 | 70 | 74 | 79 | 83 | 86 | 88 | 89 | 90 | 90 | 89 | 88 |
| Dewpoint (°F) | 59 | 60 | 60 | 61 | 62 | 61 | 62 | 62 | 62 | 63 | 63 | 64 | 65 | 66 | 66 | 66 | 66 | 65 | 64 | 63 | 63 | 63 | 63 | 63 |
| Heat Index (°F) | 83 | 82 | 77 | 75 | 79 | 85 | 88 | 89 | 90 | 91 | 91 | 90 | 89 | |||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 | 6 |
| Wind Dir | NE | NE | E | S | S | SW | SW | SW | SW | W | W | W | W | W | W | W | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 27 | 24 | 21 | 17 | 14 | 10 | 7 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 11 | 12 | 13 | 14 | 15 | 17 | 18 | 20 | 21 | 23 |
| Precipitation Potential (%) | 7 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 44 | 49 | 56 | 62 | 68 | 68 | 76 | 81 | 84 | 90 | 90 | 93 | 90 | 87 | 76 | 64 | 57 | 50 | 45 | 42 | 41 | 41 | 42 | 43 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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