Weather information for the New Castle area is provided below. Average temperatures, climate details and current forecasts are included!
Climate
Monthly average temperatures and precipitation for New Castle are shown below.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 34° | 36° | 47° | 58° | 70° | 78° | 84° | 81° | 74° | 64° | 50° | 38° |
| Avg. Low | 15° | 15° | 24° | 34° | 44° | 54° | 58° | 56° | 50° | 37° | 30° | 21° |
| Daily Avg | 24° | 26° | 36° | 46° | 58° | 66° | 71° | 68° | 64° | 51° | 41° | 30° |
| Avg. Precip. | 2.3 in | 2.1 in | 3.1 in | 3.0 in | 3.5 in | 4.1 in | 4.0 in | 3.4 in | 3.5 in | 2.7 in | 3.1 in | 2.8 in |
| Note: All temperatures are in degrees Fahrenheit. | ||||||||||||
