New Castle Weather Forecast
- 64
- 81
Slight Chance Thunderstorms
- 70
- 87
Rain Showers Likely
- 58
- 82
Chance Thunderstorms
- 58
- 81
Partly Sunny
- 65
- 85
Chance Rain Showers
- 70
- 90
Chance Thunderstorms
Today 18 Jul Lawrence
Partly cloudy. Highs around 80. Northeast Winds around 5 Mph, becoming southeast this afternoon.
Tonight 18 Jul Lawrence
Mainly clear in the Evening, then becoming mostly cloudy. Areas of fog after midnight. Humid with Lows in the lower 60s. Light and variable Winds.
New Castle Temperature Statistics
July Temperature
New Castle, New Castle Municipal Airport (3.7 miles)
Lowest 4 July, 2025
57 °FAverage July
74.8 °FHighest 6 July, 2025
90 °F
Climate (2020–Present)
New Castle, New Castle Municipal Airport (3.7 miles)
Average Low 2020–2025
42 °FAverage 2020–2025
51.4 °FAverage High 2020–2025
61.1 °F