New Castle Weather Forecast
- 30
- 56
Becoming Sunny
- 38
- 53
Mostly Sunny
- 56
- 73
Thunderstorms
- 56
- 74
Slight Chance Thunderstorms
- 61
- 79
Partly Sunny
- 53
- 77
Rain Showers Likely
- 49
- 68
Chance Rain Showers
Today 19 Apr Henry
Mostly sunny Early, then becoming partly cloudy. Isolated Showers late. Breezy with Highs in the mid 50s. West Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.
Tonight 19 Apr Henry
Partly cloudy with isolated rain Showers late this Afternoon, then clear. Areas of frost through the late overnight. Widespread frost toward daybreak. Breezy, cold with Lows around 30. West Winds 15 to 25 Mph with Gusts up to 35 Mph, becoming north 10 to 15 Mph with Gusts up to 25 Mph through the late Overnight, then becoming light and variable toward daybreak. Chance of rain 20 percent.
New Castle Temperature Statistics
April Temperature
Anderson Municipal Airport (17.4 miles)
Lowest 7 April, 2026
30.7 °FAverage April
57.1 °FHighest 17 April, 2026
81.1 °F
Climate (2021–Present)
Anderson Municipal Airport (17.4 miles)
Average Low 2021–2026
44 °FAverage 2021–2026
51.5 °FAverage High 2021–2026
62.3 °F