| Point Forecast: 3 Miles SE Mechanicsburg PA 40.18N 76.98W (Elev. 577 ft) |
Last Update: 12:59 am EDT Jun 21, 2024 |
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| Date | 06/21 | 06/22 | ||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 76 | 75 | 74 | 73 | 72 | 71 | 74 | 77 | 79 | 83 | 86 | 88 | 90 | 92 | 92 | 93 | 93 | 92 | 91 | 88 | 85 | 82 | 80 | 79 |
| Dewpoint (°F) | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 67 | 68 | 68 | 68 | 68 | 67 | 67 | 67 | 67 | 68 | 69 | 70 | 70 | 70 | 70 | 70 |
| Heat Index (°F) | 76 | 75 | 77 | 79 | 86 | 89 | 92 | 94 | 96 | 96 | 97 | 97 | 96 | 96 | 93 | 90 | 86 | 83 | 79 | |||||
| Surface Wind (mph) | 2 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | S | S | SW | SW | S | S | SW | SW | SW | SW | S | S | SW | SW | SW | SW | SW | SW | S | S | SW | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 14 | 32 | 26 | 27 | 31 | 27 | 23 | 19 | 9 | 10 | 10 | 10 | 12 | 14 | 15 | 16 | 22 | 28 | 34 | 46 | 50 | 53 | 48 | 46 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 3 | 4 | 6 | 9 | 13 | 16 | 22 | 28 | 34 | 27 | 20 | 13 | 9 | 8 |
| Relative Humidity (%) | 71 | 74 | 76 | 79 | 81 | 84 | 76 | 69 | 67 | 61 | 55 | 52 | 49 | 44 | 44 | 43 | 43 | 46 | 49 | 55 | 61 | 67 | 72 | 74 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | SChc | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | SChc | -- | -- | -- |
| Date | 06/23 | |||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 77 | 76 | 75 | 74 | 74 | 72 | 75 | 78 | 81 | 85 | 88 | 90 | 92 | 94 | 94 | 95 | 95 | 93 | 90 | 88 | 86 | 83 | 81 | 80 |
| Dewpoint (°F) | 70 | 69 | 69 | 68 | 68 | 68 | 69 | 70 | 71 | 71 | 72 | 71 | 71 | 70 | 70 | 70 | 70 | 70 | 71 | 71 | 71 | 71 | 71 | 71 |
| Heat Index (°F) | 77 | 76 | 75 | 75 | 78 | 85 | 90 | 95 | 97 | 99 | 100 | 101 | 101 | 102 | 99 | 96 | 94 | 91 | 88 | 85 | 83 | |||
| Surface Wind (mph) | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | S | S | S | SW | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | SW | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 31 | 29 | 14 | 13 | 22 | 24 | 19 | 13 | 15 | 16 | 18 | 23 | 29 | 34 | 36 | 37 | 39 | 39 | 38 | 38 | 37 | 37 | 36 | 36 |
| Precipitation Potential (%) | 7 | 2 | 2 | 2 | 2 | 2 | 2 | 12 | 12 | 12 | 12 | 12 | 12 | 34 | 34 | 34 | 34 | 34 | 34 | 11 | 11 | 11 | 11 | 11 |
| Relative Humidity (%) | 79 | 79 | 82 | 82 | 82 | 87 | 82 | 76 | 70 | 64 | 59 | 54 | 50 | 46 | 45 | 45 | 45 | 48 | 53 | 57 | 62 | 66 | 72 | 75 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- |
