New Castle Weather Forecast
- 57
- 77
Chance Thunderstorms
- 52
- 73
Partly Sunny
- 54
- 73
Partly Sunny
- 59
- 76
Partly Sunny
- 61
- 79
Slight Chance Thunderstorms
- 61
- 80
Slight Chance Thunderstorms
Today 22 Aug Henry
Partly cloudy with a slight chance of Thunderstorms. A chance of Showers through early Afternoon, then a slight chance of Showers late in the afternoon. Highs in the upper 70s. West Winds 5 to 10 Mph. Gusts up to 20 Mph, increasing to 30 Mph late in the afternoon. Chance of rain 30 percent.
Tonight 22 Aug Henry
Clear through the late Overnight, then becoming partly cloudy. Patchy fog toward daybreak. Lows in the upper 50s. Northwest Winds around 5 Mph.
New Castle Temperature Statistics
August Temperature
Anderson Municipal Airport (17.4 miles)
Lowest 4 August, 2026
55.8 °FAverage August
71.8 °FHighest 10 August, 2026
89.2 °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