| Point Forecast: New Castle IN 39.92N 85.37W (Elev. 314 m) |
Last Update: 3:24 pm EDT Aug 10, 2026 |
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| Date | 08/10 | 08/11 | ||||||||||||||||||||||
| 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 (°C) | 30 | 31 | 31 | 31 | 30 | 28 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 22 | 24 | 26 | 27 | 28 | 28 | 29 |
| Dewpoint (°C) | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 23 |
| Heat Index (°C) | 36 | 37 | 35 | 35 | 34 | 31 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 26 | 29 | 31 | 32 | 33 | |||||
| Surface Wind (mph) | 7 | 9 | 10 | 9 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 |
| Wind Dir | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 69 | 72 | 74 | 68 | 62 | 57 | 59 | 61 | 64 | 66 | 68 | 71 | 70 | 70 | 69 | 68 | 68 | 67 | 68 | 68 | 69 | 69 | 69 | 70 |
| Precipitation Potential (%) | 12 | 13 | 14 | 15 | 20 | 24 | 26 | 29 | 31 | 29 | 27 | 26 | 29 | 33 | 36 | 39 | 41 | 43 | 34 | 24 | 15 | 22 | 29 | 36 |
| Relative Humidity (%) | 75 | 66 | 65 | 65 | 68 | 77 | 85 | 88 | 90 | 87 | 90 | 90 | 87 | 90 | 87 | 87 | 90 | 93 | 87 | 77 | 74 | 74 | 72 | 72 |
| Rain | SChc | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | Chc | Chc |
| Thunder | SChc | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | Chc | Chc | SChc | -- | -- | -- | Chc |
| Date | 08/12 | |||||||||||||||||||||||
| 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 (°C) | 29 | 30 | 29 | 28 | 28 | 26 | 25 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 23 | 24 | 26 | 26 | 27 | 28 |
| Dewpoint (°C) | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 23 | 23 | 23 |
| Heat Index (°C) | 32 | 34 | 32 | 31 | 31 | 26 | 25 | 24 | 24 | 26 | 26 | 30 | 31 | |||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 7 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 69 | 68 | 67 | 67 | 66 | 65 | 68 | 71 | 74 | 77 | 80 | 83 | 82 | 82 | 81 | 81 | 80 | 80 | 77 | 75 | 72 | 70 | 67 | 65 |
| Precipitation Potential (%) | 55 | 74 | 70 | 66 | 62 | 58 | 57 | 55 | 54 | 54 | 54 | 54 | 51 | 45 | 40 | 34 | 28 | 25 | 25 | 25 | 25 | 25 | 25 | 55 |
| Relative Humidity (%) | 70 | 65 | 67 | 67 | 65 | 74 | 76 | 82 | 84 | 87 | 87 | 90 | 87 | 90 | 93 | 93 | 97 | 93 | 87 | 82 | 82 | 82 | 79 | 77 |
| Rain | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly |
| Thunder | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc |


