New Castle Weather Forecast
- 71
- 88
Rain Showers Likely
- 65
- 88
Rain Showers
- 61
- 81
Mostly Sunny
- 69
- 84
Chance Thunderstorms
- 63
- 87
Thunderstorms Likely
- 56
- 76
Mostly Sunny
- 58
- 77
Mostly Sunny
Today 17 Jul Henry
Partly cloudy with a chance of Showers and Thunderstorms Early, then mostly cloudy with Showers with Thunderstorms likely late. Highs in the upper 80s. Southwest Winds around 5 Mph. Chance of rain 80 percent.
Tonight 17 Jul Henry
Mostly cloudy late this Afternoon, then becoming partly cloudy. Showers with Thunderstorms likely late this Afternoon, then a chance of Showers and Thunderstorms through the late overnight. Humid with Lows in the lower 70s. Southwest Winds around 5 Mph. Chance of rain 80 percent.
New Castle Temperature Statistics
July Temperature
Anderson Municipal Airport (17.4 miles)
Lowest 13 July, 2026
61 °FAverage July
74.9 °FHighest 1 July, 2026
91.4 °F
Climate (2021–2026)
Anderson Municipal Airport (17.4 miles)
Average Low 2021–2026
44.1 °FAverage 2021–2026
51.6 °FAverage High 2021–2026
62.3 °F