New Castle Weather Forecast
- 68
- 87
Increasing Clouds
- 68
- 81
Chance Rain Showers
- 67
- 88
Mostly Sunny
- 68
- 84
Partly Sunny
- 66
- 81
Chance Rain Showers
- 65
- 78
Partly Sunny
Today 7 Aug Coastal Rockingham
Patchy fog in the morning. Mostly sunny. Warm with Highs in the upper 80s. Light and variable Winds. Heat index Values in the upper 90s.
Tonight 7 Aug Coastal Rockingham
Mostly clear. Patchy fog. Lows in the lower 70s. Light and variable Winds.
New Castle Temperature Statistics
August Temperature
Pease Air Force Base / Portsmouth (5 miles)
Lowest 5 August, 2026
62.8 °FAverage August
75.2 °FHighest 5 August, 2026
88 °F
Climate (2021–2026)
Pease Air Force Base / Portsmouth (5 miles)
Average Low 2021–2026
42.3 °FAverage 2021–2026
50.7 °FAverage High 2021–2026
59.2 °F