| Point Forecast: West Chester PA 39.96N 75.62W (Elev. 397 ft) |
Last Update: 4:09 am EDT Jun 11, 2026 |
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| Date | 06/11 | 06/12 | ||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 92 | 92 | 89 | 86 | 82 | 80 | 78 | 76 | 75 | 75 | 74 | 73 | 72 | 72 | 72 | 74 | 77 | 81 | 85 | 88 | 90 | 91 | 91 | 92 |
| Dewpoint (°F) | 71 | 71 | 72 | 72 | 73 | 73 | 72 | 72 | 71 | 70 | 69 | 69 | 69 | 69 | 69 | 70 | 72 | 72 | 73 | 74 | 73 | 73 | 73 | 72 |
| Heat Index (°F) | 99 | 99 | 96 | 92 | 87 | 84 | 78 | 76 | 75 | 75 | 77 | 85 | 92 | 97 | 98 | 100 | 100 | 100 | ||||||
| Surface Wind (mph) | 9 | 9 | 8 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 8 | 8 | 9 | 9 |
| Wind Dir | W | W | W | W | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 46 | 60 | 57 | 67 | 73 | 70 | 57 | 79 | 45 | 68 | 56 | 42 | 29 | 38 | 37 | 25 | 26 | 36 | 28 | 41 | 42 | 55 | 52 | 55 |
| Precipitation Potential (%) | 17 | 24 | 36 | 51 | 60 | 55 | 35 | 23 | 17 | 10 | 4 | 4 | 4 | 5 | 6 | 6 | 2 | 3 | 1 | 1 | 1 | 4 | 10 | 32 |
| Relative Humidity (%) | 51 | 51 | 57 | 63 | 74 | 79 | 82 | 87 | 87 | 84 | 84 | 87 | 90 | 90 | 90 | 87 | 85 | 74 | 67 | 63 | 58 | 56 | 56 | 52 |
| Rain | SChc | SChc | Chc | Chc | Lkly | Lkly | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc |
| Thunder | SChc | SChc | Chc | Chc | Lkly | Lkly | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc |
| Date | 06/13 | |||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 93 | 92 | 89 | 85 | 81 | 78 | 76 | 74 | 73 | 71 | 70 | 69 | 68 | 68 | 68 | 69 | 71 | 73 | 76 | 79 | 81 | 82 | 83 | 84 |
| Dewpoint (°F) | 72 | 71 | 72 | 72 | 72 | 72 | 71 | 70 | 69 | 67 | 66 | 64 | 62 | 61 | 61 | 61 | 61 | 61 | 61 | 60 | 60 | 59 | 59 | 58 |
| Heat Index (°F) | 101 | 99 | 96 | 91 | 85 | 78 | 76 | 76 | 79 | 82 | 82 | 83 | 84 | |||||||||||
| Surface Wind (mph) | 9 | 9 | 8 | 8 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 5 | 5 | 6 | 7 | 7 | 7 | 7 | 7 |
| Wind Dir | W | W | W | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 69 | 85 | 73 | 77 | 80 | 81 | 69 | 57 | 56 | 56 | 35 | 28 | 22 | 15 | 14 | 12 | 11 | 9 | 6 | 4 | 5 | 5 | 6 | 6 |
| Precipitation Potential (%) | 54 | 76 | 60 | 60 | 34 | 34 | 34 | 34 | 34 | 34 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 51 | 51 | 57 | 65 | 74 | 82 | 85 | 87 | 87 | 87 | 87 | 84 | 81 | 78 | 78 | 76 | 71 | 66 | 60 | 52 | 49 | 46 | 44 | 41 |
| Rain | Chc | Ocnl | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
