New Castle Weather Forecast
- 67
- 78
Increasing Clouds
- 63
- 75
Chance Thunderstorms
- 56
- 76
Mostly Sunny
- 58
- 74
Mostly Sunny
- 64
- 78
Mostly Sunny
- 70
- 84
Slight Chance Rain Showers
- 68
- 86
Chance Rain Showers
Today 19 Jul Coastal Rockingham
Sunny. Highs around 80. Southeast Winds around 10 Mph.
Tonight 19 Jul Coastal Rockingham
Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 60s. South Winds around 10 Mph in the Evening, becoming light and variable.
New Castle Temperature Statistics
July Temperature
Pease Air Force Base / Portsmouth (5 miles)
Lowest 5 July, 2025
55 °FAverage July
75 °FHighest 6 July, 2025
95 °F
Climate (2020–Present)
Pease Air Force Base / Portsmouth (5 miles)
Average Low 2020–2025
42.7 °FAverage 2020–2025
50.9 °FAverage High 2020–2025
59.4 °F