Climate almanac
New Castle
Indiana, United States · 39.93°, -85.37°
What is the weather like in New Castle in August?
In August, New Castle is typically 81°F (27°C) during the day and 65°F (18°C) at night. The month brings about 3.3 in (84 mm) of precipitation in total.
- Average high81°F (27°C)
- Average low65°F (18°C)
- Precipitation3.3 in (84 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)