| Point Forecast: Gettysburg PA 39.8N 77.24W (Elev. 167 m) |
Last Update: 2:46 pm EDT Sep 8, 2026 |
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| Date | 09/08 | 09/09 | ||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°C) | 27 | 26 | 24 | 21 | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 17 | 21 | 23 | 25 | 26 | 27 | 28 | 29 | 29 | 29 |
| Dewpoint (°C) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Heat Index (°C) | 28 | 26 | 24 | 25 | 26 | 28 | 29 | 29 | 29 | 30 | ||||||||||||||
| Surface Wind (mph) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 7 | 7 | 8 | 8 | 8 |
| Wind Dir | SE | SE | SE | N | N | N | N | N | S | S | S | S | S | S | S | S | S | S | S | SW | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 46 | 52 | 45 | 55 | 43 | 57 | 38 | 36 | 41 | 42 | 40 | 30 | 30 | 31 | 44 | 42 | 25 | 43 | 24 | 31 | 13 | 15 | 12 | 19 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 |
| Relative Humidity (%) | 51 | 56 | 62 | 73 | 78 | 84 | 87 | 90 | 90 | 93 | 93 | 93 | 93 | 97 | 90 | 73 | 69 | 64 | 60 | 56 | 53 | 51 | 51 | 50 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/10 | |||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°C) | 28 | 27 | 26 | 24 | 24 | 23 | 22 | 22 | 22 | 21 | 21 | 21 | 20 | 19 | 21 | 22 | 24 | 26 | 27 | 27 | 27 | 27 | 27 | 26 |
| Dewpoint (°C) | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 20 | 21 | 21 | 21 | 21 | 21 | 21 |
| Heat Index (°C) | 29 | 28 | 26 | 24 | 24 | 24 | 26 | 28 | 29 | 29 | 29 | 28 | 26 | |||||||||||
| Surface Wind (mph) | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 26 | 34 | 15 | 18 | 12 | 22 | 13 | 16 | 4 | 13 | 29 | 59 | 53 | 52 | 69 | 56 | 57 | 57 | 65 | 74 | 82 | 82 | 82 | 82 |
| Precipitation Potential (%) | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 12 | 19 | 21 | 28 | 34 | 34 | 34 | 34 | 34 | 34 | 73 | 73 | 73 | 73 |
| Relative Humidity (%) | 53 | 56 | 58 | 66 | 66 | 71 | 73 | 73 | 73 | 76 | 78 | 81 | 87 | 90 | 87 | 81 | 76 | 71 | 69 | 67 | 67 | 67 | 69 | 74 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc |
