New Castle Weather Forecast
- 53
- 63
Mostly Cloudy
- 62
- 72
Isolated Thunderstorms
- 54
- 78
Rain
- 51
- 65
Rain
- 50
- 70
Rain Likely
- 55
- 68
Rain Likely
- 53
- 75
Rain Likely
Today 29 Mar Henry
Partly cloudy. Not as cool with Highs in the lower 60s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.
Tonight 29 Mar Henry
Mostly cloudy through the late Overnight, then becoming partly cloudy. Not as cool. Near steady temperature in the mid 50s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.
New Castle Temperature Statistics
March Temperature
Anderson Municipal Airport (17.4 miles)
Lowest 18 March, 2026
20.5 °FAverage March
47.9 °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