New Castle Weather Forecast
- 57
- 78
Rain Showers Likely
- 54
- 66
Rain Showers
- 62
- 78
Rain Showers
- 62
- 75
Rain Likely
- 43
- 75
Rain Likely
- 34
- 53
Slight Chance Rain
Today 31 Mar Henry
Partly cloudy with isolated Showers and Thunderstorms. Breezy with Highs in the upper 70s. Southwest Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 20 percent.
Tonight 31 Mar Henry
Partly cloudy. Near steady temperature in the lower 60s. Southwest Winds around 15 Mph with Gusts up to 30 Mph.
New Castle Temperature Statistics
March Temperature
Anderson Municipal Airport (17.4 miles)
Lowest 18 March, 2026
20.5 °FAverage March
47.4 °FHighest 26 March, 2026
82.6 °F
Climate (2021–Present)
Anderson Municipal Airport (17.4 miles)
Average Low 2021–2026
43.9 °FAverage 2021–2026
51.5 °FAverage High 2021–2026
62.2 °F