| Point Forecast: Gettysburg PA 39.8N 77.24W (Elev. 548 ft) |
Last Update: 6:13 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) | 83 | 82 | 79 | 77 | 76 | 75 | 74 | 74 | 73 | 73 | 72 | 71 | 73 | 75 | 78 | 81 | 82 | 84 | 85 | 86 | 86 | 85 | 83 | 82 |
| Dewpoint (°F) | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 71 | 73 | 74 | 75 | 75 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 |
| Heat Index (°F) | 89 | 87 | 79 | 77 | 76 | 75 | 75 | 78 | 87 | 89 | 93 | 94 | 96 | 96 | 94 | 91 | 89 | |||||||
| Surface Wind (mph) | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 5 | 5 | 5 | 3 | 3 |
| Wind Dir | E | E | N | N | N | N | N | N | N | N | N | N | S | S | S | S | S | S | S | S | S | S | S | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 47 | 48 | 50 | 51 | 53 | 61 | 46 | 65 | 49 | 69 | 60 | 61 | 69 | 76 | 75 | 66 | 71 | 61 | 64 | 63 | 71 | 77 | 88 | 85 |
| Precipitation Potential (%) | 6 | 6 | 7 | 4 | 3 | 3 | 3 | 4 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 8 | 14 | 26 | 38 | 57 | 65 | 81 | 66 |
| Relative Humidity (%) | 72 | 74 | 82 | 88 | 90 | 94 | 97 | 93 | 97 | 97 | 100 | 100 | 100 | 97 | 91 | 82 | 82 | 77 | 75 | 72 | 72 | 75 | 80 | 82 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Lkly | Lkly | Ocnl | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Lkly | Lkly | Chc | Chc |
| 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) | 80 | 79 | 77 | 76 | 75 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 74 | 76 | 79 | 82 | 85 | 87 | 88 | 89 | 90 | 90 | 89 | 88 |
| Dewpoint (°F) | 75 | 75 | 74 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 73 | 74 | 74 | 75 | 75 | 75 | 76 | 76 | 76 | 75 | 75 | 75 |
| Heat Index (°F) | 85 | 79 | 77 | 76 | 75 | 76 | 79 | 89 | 94 | 96 | 99 | 100 | 102 | 101 | 99 | 98 | ||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 6 |
| Wind Dir | S | S | SW | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 76 | 86 | 70 | 74 | 78 | 78 | 78 | 78 | 76 | 74 | 72 | 63 | 53 | 44 | 41 | 39 | 36 | 43 | 50 | 57 | 57 | 57 | 57 | 57 |
| Precipitation Potential (%) | 53 | 40 | 40 | 40 | 40 | 40 | 40 | 14 | 14 | 14 | 14 | 14 | 14 | 18 | 18 | 18 | 18 | 18 | 18 | 36 | 36 | 36 | 36 | 36 |
| Relative Humidity (%) | 85 | 88 | 90 | 90 | 94 | 97 | 97 | 97 | 100 | 97 | 97 | 97 | 97 | 94 | 85 | 79 | 72 | 68 | 68 | 66 | 64 | 62 | 64 | 66 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc |
| Thunder | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc |
