| Point Forecast: 3 Miles SSE Mechanicsburg PA 40.18N 76.98W (Elev. 577 ft) |
Last Update: 2:00 pm EDT Jun 23, 2024 |
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| Date | 06/23 | 06/24 | ||||||||||||||||||||||
| Hour (EDT) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°F) | 91 | 90 | 90 | 86 | 85 | 84 | 81 | 79 | 78 | 77 | 76 | 75 | 74 | 72 | 71 | 69 | 70 | 72 | 73 | 74 | 76 | 78 | 79 | 80 |
| Dewpoint (°F) | 68 | 68 | 67 | 67 | 69 | 68 | 68 | 69 | 69 | 69 | 69 | 68 | 67 | 66 | 64 | 63 | 62 | 61 | 60 | 59 | 58 | 57 | 57 | 57 |
| Heat Index (°F) | 95 | 94 | 93 | 89 | 89 | 87 | 84 | 79 | 78 | 77 | 76 | 75 | 76 | 78 | 79 | 80 | ||||||||
| Surface Wind (mph) | 15 | 15 | 14 | 13 | 10 | 10 | 9 | 10 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 11 | 13 | 13 | 16 | 16 | 16 | 16 | 16 |
| Wind Dir | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | NW | NW | NW | NW | NW | NW |
| Gust | 25 | 24 | 23 | 23 | 20 | 20 | 22 | 23 | 24 | 25 | 26 | 28 | 29 | |||||||||||
| Sky Cover (%) | 76 | 74 | 72 | 70 | 67 | 65 | 56 | 51 | 54 | 53 | 50 | 43 | 34 | 28 | 23 | 16 | 6 | 0 | 1 | 8 | 12 | 15 | 17 | 20 |
| Precipitation Potential (%) | 21 | 20 | 28 | 42 | 58 | 58 | 52 | 42 | 32 | 24 | 15 | 10 | 5 | 3 | 2 | 1 | 0 | 1 | 1 | 2 | 2 | 2 | 3 | 3 |
| Relative Humidity (%) | 47 | 49 | 47 | 53 | 59 | 59 | 65 | 72 | 74 | 76 | 79 | 79 | 79 | 81 | 79 | 81 | 76 | 68 | 64 | 59 | 54 | 48 | 47 | 45 |
| Rain | SChc | SChc | Chc | Chc | Lkly | Lkly | Chc | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | Chc | Chc | Lkly | Lkly | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/25 | |||||||||||||||||||||||
| Hour (EDT) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°F) | 81 | 82 | 81 | 81 | 80 | 77 | 75 | 73 | 70 | 68 | 67 | 65 | 64 | 63 | 62 | 64 | 66 | 68 | 72 | 76 | 80 | 82 | 85 | 87 |
| Dewpoint (°F) | 56 | 56 | 56 | 55 | 55 | 55 | 54 | 54 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 56 | 57 | 58 | 58 | 57 | 57 | 56 | 55 | 54 |
| Heat Index (°F) | 81 | 82 | 81 | 81 | 80 | 77 | 75 | 76 | 80 | 82 | 83 | 85 | ||||||||||||
| Surface Wind (mph) | 16 | 16 | 15 | 14 | 11 | 9 | 8 | 7 | 6 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 5 | 5 | 6 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 30 | 29 | 28 | 24 | 20 | |||||||||||||||||||
| Sky Cover (%) | 20 | 20 | 18 | 17 | 16 | 10 | 6 | 4 | 9 | 7 | 5 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 3 | 4 | 6 | 10 | 13 | 17 |
| Precipitation Potential (%) | 3 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 42 | 41 | 42 | 41 | 42 | 47 | 48 | 51 | 59 | 62 | 66 | 70 | 73 | 75 | 78 | 75 | 73 | 70 | 61 | 52 | 45 | 41 | 36 | 32 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
